1501390513 has 32 divisors (see below), whose sum is σ = 1863364608. Its totient is φ = 1180396800.

The previous prime is 1501390487. The next prime is 1501390559. The reversal of 1501390513 is 3150931051.

It is a cyclic number.

It is not a de Polignac number, because 1501390513 - 2²¹ = 1499293361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1501390213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1850878 + ... + 1851688.

It is an arithmetic number, because the mean of its divisors is an integer number (58230144).

Almost surely, 2^1501390513 is an apocalyptic number.

It is an amenable number.

1501390513 is a deficient number, since it is larger than the sum of its proper divisors (361974095).

1501390513 is a wasteful number, since it uses less digits than its factorization.

1501390513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213.

The product of its (nonzero) digits is 2025, while the sum is 28.

The square root of 1501390513 is about 38747.7807493539. The cubic root of 1501390513 is about 1145.0678533170.

The spelling of 1501390513 in words is "one billion, five hundred one million, three hundred ninety thousand, five hundred thirteen".