152361621 has 32 divisors (see below), whose sum is σ = 241075200. Its totient is φ = 94893120.

The previous prime is 152361607. The next prime is 152361641. The reversal of 152361621 is 126163251.

152361621 is a `hidden beast` number, since 1 + 5 + 2 + 36 + 1 + 621 = 666.

It is not a de Polignac number, because 152361621 - 2⁷ = 152361493 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152361641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21135 + ... + 27411.

It is an arithmetic number, because the mean of its divisors is an integer number (7533600).

Almost surely, 2^152361621 is an apocalyptic number.

It is an amenable number.

152361621 is a deficient number, since it is larger than the sum of its proper divisors (88713579).

152361621 is a wasteful number, since it uses less digits than its factorization.

152361621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6346 (or 6340 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 152361621 is about 12343.4849617116. The cubic root of 152361621 is about 534.1032182749.

The spelling of 152361621 in words is "one hundred fifty-two million, three hundred sixty-one thousand, six hundred twenty-one".