761425257 has 16 divisors (see below), whose sum is σ = 1104008832. Its totient is φ = 464843520.

The previous prime is 761425243. The next prime is 761425271. The reversal of 761425257 is 752524167.

It is an interprime number because it is at equal distance from previous prime (761425243) and next prime (761425271).

It is not a de Polignac number, because 761425257 - 2⁸ = 761425001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (761425207) 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, 199869 + ... + 203642.

It is an arithmetic number, because the mean of its divisors is an integer number (69000552).

Almost surely, 2^761425257 is an apocalyptic number.

It is an amenable number.

761425257 is a deficient number, since it is larger than the sum of its proper divisors (342583575).

761425257 is a wasteful number, since it uses less digits than its factorization.

761425257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403568.

The product of its digits is 117600, while the sum is 39.

The square root of 761425257 is about 27593.9351488692. The cubic root of 761425257 is about 913.1506365380.

The spelling of 761425257 in words is "seven hundred sixty-one million, four hundred twenty-five thousand, two hundred fifty-seven".