61562475 has 54 divisors (see below), whose sum is σ = 119473380. Its totient is φ = 30288960.

The previous prime is 61562461. The next prime is 61562477. The reversal of 61562475 is 57426516.

It is a happy number.

It is not a de Polignac number, because 61562475 - 2⁶ = 61562411 is a prime.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (61562477) 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 53 ways as a sum of consecutive naturals, for example, 37216 + ... + 38834.

It is an arithmetic number, because the mean of its divisors is an integer number (2212470).

Almost surely, 2^61562475 is an apocalyptic number.

61562475 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61562475 is a deficient number, since it is larger than the sum of its proper divisors (57910905).

61562475 is a wasteful number, since it uses less digits than its factorization.

61562475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661 (or 1640 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 61562475 is about 7846.1758201050. The cubic root of 61562475 is about 394.8559534582.

The spelling of 61562475 in words is "sixty-one million, five hundred sixty-two thousand, four hundred seventy-five".