40160525 has 12 divisors (see below), whose sum is σ = 51014964. Its totient is φ = 31344000.

The previous prime is 40160489. The next prime is 40160557. The reversal of 40160525 is 52506104.

It can be written as a sum of positive squares in 6 ways, for example, as 1646089 + 38514436 = 1283^2 + 6206^2 .

It is not a de Polignac number, because 40160525 - 2¹⁸ = 39898381 is a prime.

It is a super-2 number, since 2×40160525² = 3225735536551250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40160525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18566 + ... + 20615.

It is an arithmetic number, because the mean of its divisors is an integer number (4251247).

Almost surely, 2^40160525 is an apocalyptic number.

It is an amenable number.

40160525 is a deficient number, since it is larger than the sum of its proper divisors (10854439).

40160525 is a wasteful number, since it uses less digits than its factorization.

40160525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39232 (or 39227 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 40160525 is about 6337.2332290993. The cubic root of 40160525 is about 342.4520685229.

Adding to 40160525 its reverse (52506104), we get a palindrome (92666629).

The spelling of 40160525 in words is "forty million, one hundred sixty thousand, five hundred twenty-five".