1515372 has 24 divisors (see below), whose sum is σ = 3632496. Its totient is φ = 491328.

The previous prime is 1515359. The next prime is 1515377. The reversal of 1515372 is 2735151.

It is not an unprimeable number, because it can be changed into a prime (1515377) 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 7 ways as a sum of consecutive naturals, for example, 1263 + ... + 2150.

It is an arithmetic number, because the mean of its divisors is an integer number (151354).

2^1515372 is an apocalyptic number.

1515372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1515372 is an abundant number, since it is smaller than the sum of its proper divisors (2117124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1515372 is a wasteful number, since it uses less digits than its factorization.

1515372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457 (or 3455 counting only the distinct ones).

The product of its digits is 1050, while the sum is 24.

The square root of 1515372 is about 1231.0044679042. The cubic root of 1515372 is about 114.8611304206.

It can be divided in two parts, 15153 and 72, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 1515372 in words is "one million, five hundred fifteen thousand, three hundred seventy-two".