2515970901 has 4 divisors (see below), whose sum is σ = 3354627872. Its totient is φ = 1677313932.

The previous prime is 2515970869. The next prime is 2515970921. The reversal of 2515970901 is 1090795152.

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 not a de Polignac number, because 2515970901 - 2⁵ = 2515970869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2515970901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515970921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419328481 + ... + 419328486.

It is an arithmetic number, because the mean of its divisors is an integer number (838656968).

Almost surely, 2^2515970901 is an apocalyptic number.

It is an amenable number.

2515970901 is a deficient number, since it is larger than the sum of its proper divisors (838656971).

2515970901 is an equidigital number, since it uses as much as digits as its factorization.

2515970901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838656970.

The product of its (nonzero) digits is 28350, while the sum is 39.

The square root of 2515970901 is about 50159.4547518212. The cubic root of 2515970901 is about 1360.0927886879.

The spelling of 2515970901 in words is "two billion, five hundred fifteen million, nine hundred seventy thousand, nine hundred one".