40125297 has 4 divisors (see below), whose sum is σ = 53500400. Its totient is φ = 26750196.

The previous prime is 40125277. The next prime is 40125301. The reversal of 40125297 is 79252104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40125297 - 2²⁴ = 23348081 is a prime.

It is a super-2 number, since 2×40125297² = 3220078918676418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40125227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6687547 + ... + 6687552.

It is an arithmetic number, because the mean of its divisors is an integer number (13375100).

Almost surely, 2^40125297 is an apocalyptic number.

It is an amenable number.

40125297 is a deficient number, since it is larger than the sum of its proper divisors (13375103).

40125297 is a wasteful number, since it uses less digits than its factorization.

40125297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13375102.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 40125297 is about 6334.4531729266. The cubic root of 40125297 is about 342.3519085558.

The spelling of 40125297 in words is "forty million, one hundred twenty-five thousand, two hundred ninety-seven".