151520601 has 4 divisors (see below), whose sum is σ = 202027472. Its totient is φ = 101013732.

The previous prime is 151520597. The next prime is 151520623. The reversal of 151520601 is 106025151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106025151 = 3 ⋅35341717.

It is not a de Polignac number, because 151520601 - 2² = 151520597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151520651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25253431 + ... + 25253436.

It is an arithmetic number, because the mean of its divisors is an integer number (50506868).

Almost surely, 2^151520601 is an apocalyptic number.

It is an amenable number.

151520601 is a deficient number, since it is larger than the sum of its proper divisors (50506871).

151520601 is an equidigital number, since it uses as much as digits as its factorization.

151520601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50506870.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 151520601 is about 12309.3704550639. The cubic root of 151520601 is about 533.1186734662.

Adding to 151520601 its reverse (106025151), we get a palindrome (257545752).

The spelling of 151520601 in words is "one hundred fifty-one million, five hundred twenty thousand, six hundred one".