40507525 has 24 divisors (see below), whose sum is σ = 53434080. Its totient is φ = 30375360.

The previous prime is 40507507. The next prime is 40507541. The reversal of 40507525 is 52570504.

It is not a de Polignac number, because 40507525 - 2¹¹ = 40505477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40507493 and 40507502.

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, 50427 + ... + 51223.

It is an arithmetic number, because the mean of its divisors is an integer number (2226420).

Almost surely, 2^40507525 is an apocalyptic number.

It is an amenable number.

40507525 is a deficient number, since it is larger than the sum of its proper divisors (12926555).

40507525 is a wasteful number, since it uses less digits than its factorization.

40507525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 40507525 is about 6364.5522230554. The cubic root of 40507525 is about 343.4355405221.

The spelling of 40507525 in words is "forty million, five hundred seven thousand, five hundred twenty-five".