747261251 has 8 divisors (see below), whose sum is σ = 827361984. Its totient is φ = 669188520.

The previous prime is 747261233. The next prime is 747261253. The reversal of 747261251 is 152162747.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 747261251 - 2²⁶ = 680152387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747261253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506225 + ... + 507698.

It is an arithmetic number, because the mean of its divisors is an integer number (103420248).

Almost surely, 2^747261251 is an apocalyptic number.

747261251 is a deficient number, since it is larger than the sum of its proper divisors (80100733).

747261251 is a wasteful number, since it uses less digits than its factorization.

747261251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014001.

The product of its digits is 23520, while the sum is 35.

The square root of 747261251 is about 27336.0796567467. The cubic root of 747261251 is about 907.4530281501.

The spelling of 747261251 in words is "seven hundred forty-seven million, two hundred sixty-one thousand, two hundred fifty-one".