61413653 has 4 divisors (see below), whose sum is σ = 70187040. Its totient is φ = 52640268.

The previous prime is 61413637. The next prime is 61413661. The reversal of 61413653 is 35631416.

It is a happy number.

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 61413653 - 2⁴ = 61413637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61413623) 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, 4386683 + ... + 4386696.

It is an arithmetic number, because the mean of its divisors is an integer number (17546760).

Almost surely, 2^61413653 is an apocalyptic number.

It is an amenable number.

61413653 is a deficient number, since it is larger than the sum of its proper divisors (8773387).

61413653 is an equidigital number, since it uses as much as digits as its factorization.

61413653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8773386.

The product of its digits is 6480, while the sum is 29.

The square root of 61413653 is about 7836.6863533001. The cubic root of 61413653 is about 394.5375199313.

The spelling of 61413653 in words is "sixty-one million, four hundred thirteen thousand, six hundred fifty-three".