3640752251 has 16 divisors (see below), whose sum is σ = 3855126528. Its totient is φ = 3432844800.

The previous prime is 3640752223. The next prime is 3640752253. The reversal of 3640752251 is 1522570463.

3640752251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3640752251 - 2¹⁰ = 3640751227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3640752253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571355 + ... + 577691.

It is an arithmetic number, because the mean of its divisors is an integer number (240945408).

Almost surely, 2^3640752251 is an apocalyptic number.

3640752251 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3640752251 is a deficient number, since it is larger than the sum of its proper divisors (214374277).

3640752251 is a wasteful number, since it uses less digits than its factorization.

3640752251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 3640752251 is about 60338.6464133892. The cubic root of 3640752251 is about 1538.3802967001.

The spelling of 3640752251 in words is "three billion, six hundred forty million, seven hundred fifty-two thousand, two hundred fifty-one".