93720253 has 4 divisors (see below), whose sum is σ = 102240288. Its totient is φ = 85200220.

The previous prime is 93720251. The next prime is 93720259. The reversal of 93720253 is 35202739.

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 93720253 - 2¹ = 93720251 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 (93720251) 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, 4260001 + ... + 4260022.

It is an arithmetic number, because the mean of its divisors is an integer number (25560072).

Almost surely, 2^93720253 is an apocalyptic number.

It is an amenable number.

93720253 is a deficient number, since it is larger than the sum of its proper divisors (8520035).

93720253 is a wasteful number, since it uses less digits than its factorization.

93720253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8520034.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 93720253 is about 9680.9221151706. The cubic root of 93720253 is about 454.2320952263.

The spelling of 93720253 in words is "ninety-three million, seven hundred twenty thousand, two hundred fifty-three".