65132451 has 16 divisors (see below), whose sum is σ = 96670720. Its totient is φ = 43341480.

The previous prime is 65132449. The next prime is 65132453. The reversal of 65132451 is 15423156.

65132451 is a `hidden beast` number, since 651 + 3 + 2 + 4 + 5 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (65132449) and next prime (65132453).

It is not a de Polignac number, because 65132451 - 2¹ = 65132449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65132453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15126 + ... + 18948.

It is an arithmetic number, because the mean of its divisors is an integer number (6041920).

Almost surely, 2^65132451 is an apocalyptic number.

65132451 is a deficient number, since it is larger than the sum of its proper divisors (31538269).

65132451 is a wasteful number, since it uses less digits than its factorization.

65132451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463 (or 4457 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 65132451 is about 8070.4678303058. The cubic root of 65132451 is about 402.3454926947.

The spelling of 65132451 in words is "sixty-five million, one hundred thirty-two thousand, four hundred fifty-one".