25522641 has 16 divisors (see below), whose sum is σ = 39032320. Its totient is φ = 16465680.

The previous prime is 25522631. The next prime is 25522649. The reversal of 25522641 is 14622552.

25522641 = T₇₅₃ + T₇₅₄ + ... + T₈₃₃.

It is not a de Polignac number, because 25522641 - 2⁶ = 25522577 is a prime.

It is a super-2 number, since 2×25522641² = 1302810407229762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25522649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14410 + ... + 16083.

It is an arithmetic number, because the mean of its divisors is an integer number (2439520).

Almost surely, 2^25522641 is an apocalyptic number.

It is an amenable number.

25522641 is a deficient number, since it is larger than the sum of its proper divisors (13509679).

25522641 is a wasteful number, since it uses less digits than its factorization.

25522641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30533 (or 30527 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 25522641 is about 5051.9937648418. The cubic root of 25522641 is about 294.4253526590.

The spelling of 25522641 in words is "twenty-five million, five hundred twenty-two thousand, six hundred forty-one".