61372653 has 32 divisors (see below), whose sum is σ = 87859200. Its totient is φ = 38041920.

The previous prime is 61372631. The next prime is 61372657. The reversal of 61372653 is 35627316.

It is not a de Polignac number, because 61372653 - 2¹⁷ = 61241581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61372657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411823 + ... + 411971.

It is an arithmetic number, because the mean of its divisors is an integer number (2745600).

Almost surely, 2^61372653 is an apocalyptic number.

It is an amenable number.

61372653 is a deficient number, since it is larger than the sum of its proper divisors (26486547).

61372653 is a wasteful number, since it uses less digits than its factorization.

61372653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329.

The product of its digits is 22680, while the sum is 33.

The square root of 61372653 is about 7834.0700150050. The cubic root of 61372653 is about 394.4497021113.

Adding to 61372653 its reverse (35627316), we get a palindrome (96999969).

The spelling of 61372653 in words is "sixty-one million, three hundred seventy-two thousand, six hundred fifty-three".