65662957 has 4 divisors (see below), whose sum is σ = 65688480. Its totient is φ = 65637436.

The previous prime is 65662951. The next prime is 65662963. The reversal of 65662957 is 75926656.

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 an interprime number because it is at equal distance from previous prime (65662951) and next prime (65662963).

It is a cyclic number.

It is not a de Polignac number, because 65662957 - 2⁷ = 65662829 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 (65662951) 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, 8407 + ... + 14212.

It is an arithmetic number, because the mean of its divisors is an integer number (16422120).

Almost surely, 2^65662957 is an apocalyptic number.

It is an amenable number.

65662957 is a deficient number, since it is larger than the sum of its proper divisors (25523).

65662957 is a wasteful number, since it uses less digits than its factorization.

65662957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25522.

The product of its digits is 680400, while the sum is 46.

The square root of 65662957 is about 8103.2682912514. The cubic root of 65662957 is about 403.4349127542.

The spelling of 65662957 in words is "sixty-five million, six hundred sixty-two thousand, nine hundred fifty-seven".