61253623 has 8 divisors (see below), whose sum is σ = 65001600. Its totient is φ = 57596088.

The previous prime is 61253609. The next prime is 61253639. The reversal of 61253623 is 32635216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61253623 is a prime.

It is a super-2 number, since 2×61253623² = 7504012661252258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61253591 and 61253600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61253653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21213 + ... + 23926.

It is an arithmetic number, because the mean of its divisors is an integer number (8125200).

Almost surely, 2^61253623 is an apocalyptic number.

61253623 is a deficient number, since it is larger than the sum of its proper divisors (3747977).

61253623 is a wasteful number, since it uses less digits than its factorization.

61253623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45221.

The product of its digits is 6480, while the sum is 28.

The square root of 61253623 is about 7826.4693828060. The cubic root of 61253623 is about 394.1945301850.

Adding to 61253623 its reverse (32635216), we get a palindrome (93888839).

The spelling of 61253623 in words is "sixty-one million, two hundred fifty-three thousand, six hundred twenty-three".