64532452 has 12 divisors (see below), whose sum is σ = 116574976. Its totient is φ = 31225320.

The previous prime is 64532437. The next prime is 64532491. The reversal of 64532452 is 25423546.

It is a super-2 number, since 2×64532452² = 8328874722264608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260088 + ... + 260335.

Almost surely, 2^64532452 is an apocalyptic number.

64532452 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

64532452 is a deficient number, since it is larger than the sum of its proper divisors (52042524).

64532452 is a wasteful number, since it uses less digits than its factorization.

64532452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520458 (or 520456 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 64532452 is about 8033.2093213111. The cubic root of 64532452 is about 401.1062129123.

Adding to 64532452 its reverse (25423546), we get a palindrome (89955998).

The spelling of 64532452 in words is "sixty-four million, five hundred thirty-two thousand, four hundred fifty-two".