2503115961 has 4 divisors (see below), whose sum is σ = 3337487952. Its totient is φ = 1668743972.

The previous prime is 2503115941. The next prime is 2503115981. The reversal of 2503115961 is 1695113052.

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 an interprime number because it is at equal distance from previous prime (2503115941) and next prime (2503115981).

It is a cyclic number.

It is not a de Polignac number, because 2503115961 - 2⁹ = 2503115449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2503115911) 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, 417185991 + ... + 417185996.

It is an arithmetic number, because the mean of its divisors is an integer number (834371988).

Almost surely, 2^2503115961 is an apocalyptic number.

It is an amenable number.

2503115961 is a deficient number, since it is larger than the sum of its proper divisors (834371991).

2503115961 is an equidigital number, since it uses as much as digits as its factorization.

2503115961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834371990.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 2503115961 is about 50031.1499068330. The cubic root of 2503115961 is about 1357.7724421562.

The spelling of 2503115961 in words is "two billion, five hundred three million, one hundred fifteen thousand, nine hundred sixty-one".