2521248951 has 32 divisors (see below), whose sum is σ = 3752199360. Its totient is φ = 1495194624.

The previous prime is 2521248943. The next prime is 2521248953. The reversal of 2521248951 is 1598421252.

It is not a de Polignac number, because 2521248951 - 2³ = 2521248943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521248953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 696021 + ... + 699633.

It is an arithmetic number, because the mean of its divisors is an integer number (117256230).

Almost surely, 2^2521248951 is an apocalyptic number.

2521248951 is a deficient number, since it is larger than the sum of its proper divisors (1230950409).

2521248951 is a wasteful number, since it uses less digits than its factorization.

2521248951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275.

The product of its digits is 57600, while the sum is 39.

The square root of 2521248951 is about 50212.0399008047. The cubic root of 2521248951 is about 1361.0432002840.

The spelling of 2521248951 in words is "two billion, five hundred twenty-one million, two hundred forty-eight thousand, nine hundred fifty-one".