64290351 has 4 divisors (see below), whose sum is σ = 85720472. Its totient is φ = 42860232.

The previous prime is 64290341. The next prime is 64290367. The reversal of 64290351 is 15309246.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 64290351 - 2¹⁴ = 64273967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64290341) 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, 10715056 + ... + 10715061.

It is an arithmetic number, because the mean of its divisors is an integer number (21430118).

Almost surely, 2^64290351 is an apocalyptic number.

64290351 is a deficient number, since it is larger than the sum of its proper divisors (21430121).

64290351 is a wasteful number, since it uses less digits than its factorization.

64290351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21430120.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 64290351 is about 8018.1264020967. The cubic root of 64290351 is about 400.6039854615.

Adding to 64290351 its reverse (15309246), we get a palindrome (79599597).

The spelling of 64290351 in words is "sixty-four million, two hundred ninety thousand, three hundred fifty-one".