61475653 has 4 divisors (see below), whose sum is σ = 62072608. Its totient is φ = 60878700.

The previous prime is 61475647. The next prime is 61475657. The reversal of 61475653 is 35657416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61475653 - 2¹⁷ = 61344581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61475657) 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, 298323 + ... + 298528.

It is an arithmetic number, because the mean of its divisors is an integer number (15518152).

Almost surely, 2^61475653 is an apocalyptic number.

It is an amenable number.

61475653 is a deficient number, since it is larger than the sum of its proper divisors (596955).

61475653 is a wasteful number, since it uses less digits than its factorization.

61475653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596954.

The product of its digits is 75600, while the sum is 37.

The square root of 61475653 is about 7840.6411089910. The cubic root of 61475653 is about 394.6702434004.

It can be divided in two parts, 61475 and 653, that added together give a triangular number (62128 = T₃₅₂).

The spelling of 61475653 in words is "sixty-one million, four hundred seventy-five thousand, six hundred fifty-three".