151364521 has 16 divisors (see below), whose sum is σ = 193818240. Its totient is φ = 114756480.

The previous prime is 151364513. The next prime is 151364539. The reversal of 151364521 is 125463151.

It is a cyclic number.

It is not a de Polignac number, because 151364521 - 2³ = 151364513 is a prime.

It is a super-2 number, since 2×151364521² = 45822436435118882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151364521.

It is not an unprimeable number, because it can be changed into a prime (151364501) 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, 23716 + ... + 29413.

It is an arithmetic number, because the mean of its divisors is an integer number (12113640).

Almost surely, 2^151364521 is an apocalyptic number.

151364521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

151364521 is a deficient number, since it is larger than the sum of its proper divisors (42453719).

151364521 is a wasteful number, since it uses less digits than its factorization.

151364521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53184.

The product of its digits is 3600, while the sum is 28.

The square root of 151364521 is about 12303.0289359978. The cubic root of 151364521 is about 532.9355570024.

The spelling of 151364521 in words is "one hundred fifty-one million, three hundred sixty-four thousand, five hundred twenty-one".