151252621 has 16 divisors (see below), whose sum is σ = 172972800. Its totient is φ = 131021568.

The previous prime is 151252613. The next prime is 151252631. The reversal of 151252621 is 126252151.

151252621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 151252621 - 2³ = 151252613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151252601) 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, 96240 + ... + 97798.

It is an arithmetic number, because the mean of its divisors is an integer number (10810800).

Almost surely, 2^151252621 is an apocalyptic number.

It is an amenable number.

151252621 is a deficient number, since it is larger than the sum of its proper divisors (21720179).

151252621 is a wasteful number, since it uses less digits than its factorization.

151252621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028.

The product of its digits is 1200, while the sum is 25.

The square root of 151252621 is about 12298.4804345903. The cubic root of 151252621 is about 532.8041959892.

The spelling of 151252621 in words is "one hundred fifty-one million, two hundred fifty-two thousand, six hundred twenty-one".