764251 has 2 divisors, whose sum is σ = 764252. Its totient is φ = 764250.

The previous prime is 764249. The next prime is 764261. The reversal of 764251 is 152467.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 764251 - 2¹ = 764249 is a prime.

Together with 764249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (764261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382125 + 382126.

It is an arithmetic number, because the mean of its divisors is an integer number (382126).

2⁷⁶⁴²⁵¹ is an apocalyptic number.

764251 is a deficient number, since it is larger than the sum of its proper divisors (1).

764251 is an equidigital number, since it uses as much as digits as its factorization.

764251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 25.

The square root of 764251 is about 874.2145045697. The cubic root of 764251 is about 91.4278846907.

The spelling of 764251 in words is "seven hundred sixty-four thousand, two hundred fifty-one".