1501002505 has 16 divisors (see below), whose sum is σ = 1951513344. Its totient is φ = 1103880960.

The previous prime is 1501002491. The next prime is 1501002521. The reversal of 1501002505 is 5052001051.

It is not a de Polignac number, because 1501002505 - 2⁵ = 1501002473 is a prime.

It is a Duffinian number.

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, 201681 + ... + 208990.

It is an arithmetic number, because the mean of its divisors is an integer number (121969584).

Almost surely, 2^1501002505 is an apocalyptic number.

It is an amenable number.

1501002505 is a deficient number, since it is larger than the sum of its proper divisors (450510839).

1501002505 is a wasteful number, since it uses less digits than its factorization.

1501002505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410736.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 1501002505 is about 38742.7735842441. The cubic root of 1501002505 is about 1144.9692039288.

Adding to 1501002505 its reverse (5052001051), we get a palindrome (6553003556).

The spelling of 1501002505 in words is "one billion, five hundred one million, two thousand, five hundred five".