40525357 has 6 divisors (see below), whose sum is σ = 40783434. Its totient is φ = 40268880.

The previous prime is 40525351. The next prime is 40525361. The reversal of 40525357 is 75352504.

It can be written as a sum of positive squares in 3 ways, for example, as 948676 + 39576681 = 974^2 + 6291^2 .

It is not a de Polignac number, because 40525357 - 2¹⁹ = 40001069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40525351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32143 + ... + 33379.

It is an arithmetic number, because the mean of its divisors is an integer number (6797239).

Almost surely, 2^40525357 is an apocalyptic number.

It is an amenable number.

40525357 is a deficient number, since it is larger than the sum of its proper divisors (258077).

40525357 is an equidigital number, since it uses as much as digits as its factorization.

40525357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1418 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 40525357 is about 6365.9529530150. The cubic root of 40525357 is about 343.4859282310.

It can be divided in two parts, 4052 and 5357, that added together give a square (9409 = 97²).

The spelling of 40525357 in words is "forty million, five hundred twenty-five thousand, three hundred fifty-seven".