7564425 has 48 divisors (see below), whose sum is σ = 13981248. Its totient is φ = 3577600.

The previous prime is 7564421. The next prime is 7564429. The reversal of 7564425 is 5244657.

7564425 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7564421) and next prime (7564429).

It is not a de Polignac number, because 7564425 - 2² = 7564421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

7564425 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7564421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43639 + ... + 43811.

It is an arithmetic number, because the mean of its divisors is an integer number (291276).

Almost surely, 2^7564425 is an apocalyptic number.

7564425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7564425 is a deficient number, since it is larger than the sum of its proper divisors (6416823).

7564425 is a wasteful number, since it uses less digits than its factorization.

7564425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 245 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 7564425 is about 2750.3499777301. The cubic root of 7564425 is about 196.3022633872.

The spelling of 7564425 in words is "seven million, five hundred sixty-four thousand, four hundred twenty-five".