65614157 has 4 divisors (see below), whose sum is σ = 74987616. Its totient is φ = 56240700.

The previous prime is 65614141. The next prime is 65614177. The reversal of 65614157 is 75141656.

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 65614157 - 2⁴ = 65614141 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 (65614177) 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, 4686719 + ... + 4686732.

It is an arithmetic number, because the mean of its divisors is an integer number (18746904).

Almost surely, 2^65614157 is an apocalyptic number.

It is an amenable number.

65614157 is a deficient number, since it is larger than the sum of its proper divisors (9373459).

65614157 is an equidigital number, since it uses as much as digits as its factorization.

65614157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9373458.

The product of its digits is 25200, while the sum is 35.

The square root of 65614157 is about 8100.2566008738. The cubic root of 65614157 is about 403.3349451628.

The spelling of 65614157 in words is "sixty-five million, six hundred fourteen thousand, one hundred fifty-seven".