64254242 has 16 divisors (see below), whose sum is σ = 104078520. Its totient is φ = 29574912.

The previous prime is 64254221. The next prime is 64254251. The reversal of 64254242 is 24245246.

It can be written as a sum of positive squares in 4 ways, for example, as 34562641 + 29691601 = 5879^2 + 5449^2 .

It is a super-2 number, since 2×64254242² = 8257215229989128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6938 + ... + 13290.

Almost surely, 2^64254242 is an apocalyptic number.

64254242 is a deficient number, since it is larger than the sum of its proper divisors (39824278).

64254242 is a wasteful number, since it uses less digits than its factorization.

64254242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757.

The product of its digits is 15360, while the sum is 29.

The square root of 64254242 is about 8015.8743752631. The cubic root of 64254242 is about 400.5289709992.

Adding to 64254242 its reverse (24245246), we get a palindrome (88499488).

The spelling of 64254242 in words is "sixty-four million, two hundred fifty-four thousand, two hundred forty-two".