61502623 has 16 divisors (see below), whose sum is σ = 76378176. Its totient is φ = 48222720.

The previous prime is 61502611. The next prime is 61502629. The reversal of 61502623 is 32620516.

It is not a de Polignac number, because 61502623 - 2²⁵ = 27948191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61502629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7293 + ... + 13273.

It is an arithmetic number, because the mean of its divisors is an integer number (4773636).

Almost surely, 2^61502623 is an apocalyptic number.

61502623 is a deficient number, since it is larger than the sum of its proper divisors (14875553).

61502623 is a wasteful number, since it uses less digits than its factorization.

61502623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6114.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 61502623 is about 7842.3608052678. The cubic root of 61502623 is about 394.7279502580.

The spelling of 61502623 in words is "sixty-one million, five hundred two thousand, six hundred twenty-three".