23353525 has 24 divisors (see below), whose sum is σ = 31437224. Its totient is φ = 17107200.

The previous prime is 23353513. The next prime is 23353541. The reversal of 23353525 is 52535332.

23353525 = 51² + 52² + ... + 412².

It can be written as a sum of positive squares in 12 ways, for example, as 16176484 + 7177041 = 4022^2 + 2679^2 .

It is not a de Polignac number, because 23353525 - 2⁵ = 23353493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23353493 and 23353502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58627 + ... + 59023.

Almost surely, 2^23353525 is an apocalyptic number.

23353525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23353525 is a deficient number, since it is larger than the sum of its proper divisors (8083699).

23353525 is a wasteful number, since it uses less digits than its factorization.

23353525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 596 counting only the distinct ones).

The product of its digits is 13500, while the sum is 28.

The square root of 23353525 is about 4832.5484994980. The cubic root of 23353525 is about 285.8363653900.

Adding to 23353525 its reverse (52535332), we get a palindrome (75888857).

The spelling of 23353525 in words is "twenty-three million, three hundred fifty-three thousand, five hundred twenty-five".