61504095 has 24 divisors (see below), whose sum is σ = 99701136. Its totient is φ = 32374528.

The previous prime is 61504063. The next prime is 61504097. The reversal of 61504095 is 59040516.

It is not a de Polignac number, because 61504095 - 2⁵ = 61504063 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61504097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355429 + ... + 355601.

It is an arithmetic number, because the mean of its divisors is an integer number (4154214).

Almost surely, 2^61504095 is an apocalyptic number.

61504095 is a deficient number, since it is larger than the sum of its proper divisors (38197041).

61504095 is a wasteful number, since it uses less digits than its factorization.

61504095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 61504095 is about 7842.4546539971. The cubic root of 61504095 is about 394.7310993644.

The spelling of 61504095 in words is "sixty-one million, five hundred four thousand, ninety-five".