64254237 has 24 divisors (see below), whose sum is σ = 93514656. Its totient is φ = 39207168.

The previous prime is 64254221. The next prime is 64254251. The reversal of 64254237 is 73245246.

It is not a de Polignac number, because 64254237 - 2⁴ = 64254221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64254198 and 64254207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64254037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31078 + ... + 33080.

It is an arithmetic number, because the mean of its divisors is an integer number (3896444).

Almost surely, 2^64254237 is an apocalyptic number.

It is an amenable number.

64254237 is a deficient number, since it is larger than the sum of its proper divisors (29260419).

64254237 is a wasteful number, since it uses less digits than its factorization.

64254237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077 (or 2060 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 64254237 is about 8015.8740633820. The cubic root of 64254237 is about 400.5289606100.

The spelling of 64254237 in words is "sixty-four million, two hundred fifty-four thousand, two hundred thirty-seven".