61534028 has 12 divisors (see below), whose sum is σ = 107899680. Its totient is φ = 30705552.

The previous prime is 61534013. The next prime is 61534043. The reversal of 61534028 is 82043516.

It is an interprime number because it is at equal distance from previous prime (61534013) and next prime (61534043).

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, 13076 + ... + 17147.

It is an arithmetic number, because the mean of its divisors is an integer number (8991640).

Almost surely, 2^61534028 is an apocalyptic number.

It is an amenable number.

61534028 is a deficient number, since it is larger than the sum of its proper divisors (46365652).

61534028 is a wasteful number, since it uses less digits than its factorization.

61534028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30736 (or 30734 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 61534028 is about 7844.3628166984. The cubic root of 61534028 is about 394.7951252894.

It can be divided in two parts, 615 and 34028, that added together give a palindrome (34643).

The spelling of 61534028 in words is "sixty-one million, five hundred thirty-four thousand, twenty-eight".