1500253540 has 48 divisors (see below), whose sum is σ = 3204052992. Its totient is φ = 589994496.

The previous prime is 1500253511. The next prime is 1500253589. The reversal of 1500253540 is 453520051.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284407 + ... + 289633.

It is an arithmetic number, because the mean of its divisors is an integer number (66751104).

Almost surely, 2^1500253540 is an apocalyptic number.

1500253540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1500253540 is an abundant number, since it is smaller than the sum of its proper divisors (1703799452).

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

1500253540 is a wasteful number, since it uses less digits than its factorization.

1500253540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476 (or 5474 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1500253540 is about 38733.1065110972. The cubic root of 1500253540 is about 1144.7787346641.

Adding to 1500253540 its reverse (453520051), we get a palindrome (1953773591).

The spelling of 1500253540 in words is "one billion, five hundred million, two hundred fifty-three thousand, five hundred forty".