1002312501 has 4 divisors (see below), whose sum is σ = 1336416672. Its totient is φ = 668208332.

The previous prime is 1002312463. The next prime is 1002312523. The reversal of 1002312501 is 1052132001.

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.

It is a cyclic number.

It is not a de Polignac number, because 1002312501 - 2¹⁰ = 1002311477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002312551) 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, 167052081 + ... + 167052086.

It is an arithmetic number, because the mean of its divisors is an integer number (334104168).

Almost surely, 2^1002312501 is an apocalyptic number.

It is an amenable number.

1002312501 is a deficient number, since it is larger than the sum of its proper divisors (334104171).

1002312501 is an equidigital number, since it uses as much as digits as its factorization.

1002312501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334104170.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1002312501 is about 31659.3193388613. The cubic root of 1002312501 is about 1000.7702402443.

Adding to 1002312501 its reverse (1052132001), we get a palindrome (2054444502).

The spelling of 1002312501 in words is "one billion, two million, three hundred twelve thousand, five hundred one".