152871621 has 12 divisors (see below), whose sum is σ = 237107232. Its totient is φ = 87355128.

The previous prime is 152871619. The next prime is 152871661. The reversal of 152871621 is 126178251.

It is not a de Polignac number, because 152871621 - 2¹ = 152871619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152871611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 519825 + ... + 520118.

It is an arithmetic number, because the mean of its divisors is an integer number (19758936).

Almost surely, 2^152871621 is an apocalyptic number.

It is an amenable number.

152871621 is a deficient number, since it is larger than the sum of its proper divisors (84235611).

152871621 is a wasteful number, since it uses less digits than its factorization.

152871621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039960 (or 1039953 counting only the distinct ones).

The product of its digits is 6720, while the sum is 33.

The square root of 152871621 is about 12364.1263743137. The cubic root of 152871621 is about 534.6984890893.

The spelling of 152871621 in words is "one hundred fifty-two million, eight hundred seventy-one thousand, six hundred twenty-one".