61503256 has 16 divisors (see below), whose sum is σ = 119039040. Its totient is φ = 29759520.

The previous prime is 61503251. The next prime is 61503271. The reversal of 61503256 is 65230516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61503251) 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, 123751 + ... + 124246.

It is an arithmetic number, because the mean of its divisors is an integer number (7439940).

Almost surely, 2^61503256 is an apocalyptic number.

It is an amenable number.

61503256 is a deficient number, since it is larger than the sum of its proper divisors (57535784).

61503256 is a wasteful number, since it uses less digits than its factorization.

61503256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248034 (or 248030 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 61503256 is about 7842.4011629092. The cubic root of 61503256 is about 394.7293044655.

The spelling of 61503256 in words is "sixty-one million, five hundred three thousand, two hundred fifty-six".