64151252 has 12 divisors (see below), whose sum is σ = 122470656. Its totient is φ = 29159640.

The previous prime is 64151237. The next prime is 64151257. The reversal of 64151252 is 25215146.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64151257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728948 + ... + 729035.

It is an arithmetic number, because the mean of its divisors is an integer number (10205888).

Almost surely, 2^64151252 is an apocalyptic number.

It is an amenable number.

64151252 is a deficient number, since it is larger than the sum of its proper divisors (58319404).

64151252 is a wasteful number, since it uses less digits than its factorization.

64151252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457998 (or 1457996 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 64151252 is about 8009.4476713441. The cubic root of 64151252 is about 400.3148604256.

Adding to 64151252 its reverse (25215146), we get a palindrome (89366398).

It can be divided in two parts, 6415 and 1252, that added together give a palindrome (7667).

The spelling of 64151252 in words is "sixty-four million, one hundred fifty-one thousand, two hundred fifty-two".