40523525 has 12 divisors (see below), whose sum is σ = 57427872. Its totient is φ = 27787440.

The previous prime is 40523521. The next prime is 40523531. The reversal of 40523525 is 52532504.

It is not a de Polignac number, because 40523525 - 2² = 40523521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40523494 and 40523503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40523521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115607 + ... + 115956.

It is an arithmetic number, because the mean of its divisors is an integer number (4785656).

Almost surely, 2^40523525 is an apocalyptic number.

It is an amenable number.

40523525 is a deficient number, since it is larger than the sum of its proper divisors (16904347).

40523525 is a wasteful number, since it uses less digits than its factorization.

40523525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231580 (or 231575 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 40523525 is about 6365.8090609128. The cubic root of 40523525 is about 343.4807522478.

The spelling of 40523525 in words is "forty million, five hundred twenty-three thousand, five hundred twenty-five".