64251452 has 6 divisors (see below), whose sum is σ = 112440048. Its totient is φ = 32125724.

The previous prime is 64251433. The next prime is 64251463. The reversal of 64251452 is 25415246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8031428 + ... + 8031435.

It is an arithmetic number, because the mean of its divisors is an integer number (18740008).

Almost surely, 2^64251452 is an apocalyptic number.

It is an amenable number.

64251452 is a deficient number, since it is larger than the sum of its proper divisors (48188596).

64251452 is a wasteful number, since it uses less digits than its factorization.

64251452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16062867 (or 16062865 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 64251452 is about 8015.7003437005. The cubic root of 64251452 is about 400.5231737581.

Adding to 64251452 its reverse (25415246), we get a palindrome (89666698).

The spelling of 64251452 in words is "sixty-four million, two hundred fifty-one thousand, four hundred fifty-two".