7825345 has 16 divisors (see below), whose sum is σ = 10379520. Its totient is φ = 5616000.

The previous prime is 7825333. The next prime is 7825369. The reversal of 7825345 is 5435287.

It is a happy number.

It is not a de Polignac number, because 7825345 - 2⁷ = 7825217 is a prime.

It is a super-2 number, since 2×7825345² = 122472048738050, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7825345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3445 + ... + 5245.

It is an arithmetic number, because the mean of its divisors is an integer number (648720).

Almost surely, 2^7825345 is an apocalyptic number.

It is an amenable number.

7825345 is a deficient number, since it is larger than the sum of its proper divisors (2554175).

7825345 is a wasteful number, since it uses less digits than its factorization.

7825345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896.

The product of its digits is 33600, while the sum is 34.

The square root of 7825345 is about 2797.3818116231. The cubic root of 7825345 is about 198.5338195057.

The spelling of 7825345 in words is "seven million, eight hundred twenty-five thousand, three hundred forty-five".