64125487 has 2 divisors, whose sum is σ = 64125488. Its totient is φ = 64125486.

The previous prime is 64125443. The next prime is 64125493. The reversal of 64125487 is 78452146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64125487 - 2⁷ = 64125359 is a prime.

It is a super-2 number, since 2×64125487² = 8224156165974338, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64125407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32062743 + 32062744.

It is an arithmetic number, because the mean of its divisors is an integer number (32062744).

Almost surely, 2^64125487 is an apocalyptic number.

64125487 is a deficient number, since it is larger than the sum of its proper divisors (1).

64125487 is an equidigital number, since it uses as much as digits as its factorization.

64125487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 37.

The square root of 64125487 is about 8007.8390967851. The cubic root of 64125487 is about 400.2612605701.

The spelling of 64125487 in words is "sixty-four million, one hundred twenty-five thousand, four hundred eighty-seven".