40977251 has 4 divisors (see below), whose sum is σ = 46831152. Its totient is φ = 35123352.

The previous prime is 40977247. The next prime is 40977253. The reversal of 40977251 is 15277904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40977251 - 2² = 40977247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40977253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2926940 + ... + 2926953.

It is an arithmetic number, because the mean of its divisors is an integer number (11707788).

Almost surely, 2^40977251 is an apocalyptic number.

40977251 is a deficient number, since it is larger than the sum of its proper divisors (5853901).

40977251 is an equidigital number, since it uses as much as digits as its factorization.

40977251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853900.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 40977251 is about 6401.3475924996. The cubic root of 40977251 is about 344.7579370410.

The spelling of 40977251 in words is "forty million, nine hundred seventy-seven thousand, two hundred fifty-one".