615233042 has 6 divisors (see below), whose sum is σ = 922902183. Its totient is φ = 307598982.

The previous prime is 615233039. The next prime is 615233081. The reversal of 615233042 is 240332516.

It can be written as a sum of positive squares in only one way, i.e., 307616521 + 307616521 = 17539^2 + 17539^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=17539.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 26309 + ... + 43847.

Almost surely, 2^615233042 is an apocalyptic number.

615233042 is a deficient number, since it is larger than the sum of its proper divisors (307669141).

615233042 is an frugal number, since it uses more digits than its factorization.

615233042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35080 (or 17541 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 615233042 is about 24803.8916704617. The cubic root of 615233042 is about 850.5109002390.

Adding to 615233042 its reverse (240332516), we get a palindrome (855565558).

The spelling of 615233042 in words is "six hundred fifteen million, two hundred thirty-three thousand, forty-two".