152696421 has 20 divisors (see below), whose sum is σ = 235464064. Its totient is φ = 98512200.

The previous prime is 152696413. The next prime is 152696429. The reversal of 152696421 is 124696251.

152696421 is a `hidden beast` number, since 1 + 5 + 2 + 6 + 9 + 642 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (152696413) and next prime (152696429).

It is not a de Polignac number, because 152696421 - 2³ = 152696413 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 (152696429) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27895 + ... + 32916.

Almost surely, 2^152696421 is an apocalyptic number.

It is an amenable number.

152696421 is a deficient number, since it is larger than the sum of its proper divisors (82767643).

152696421 is an equidigital number, since it uses as much as digits as its factorization.

152696421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60854 (or 60845 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 152696421 is about 12357.0393298719. The cubic root of 152696421 is about 534.4941455475.

The spelling of 152696421 in words is "one hundred fifty-two million, six hundred ninety-six thousand, four hundred twenty-one".