2502421251 has 16 divisors (see below), whose sum is σ = 3644144640. Its totient is φ = 1514844320.

The previous prime is 2502421247. The next prime is 2502421279. The reversal of 2502421251 is 1521242052.

2502421251 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2502421251 - 2² = 2502421247 is a prime.

It is a super-2 number, since 2×2502421251² = 12524224234912810002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2502421241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15456 + ... + 72413.

It is an arithmetic number, because the mean of its divisors is an integer number (227759040).

Almost surely, 2^2502421251 is an apocalyptic number.

2502421251 is a deficient number, since it is larger than the sum of its proper divisors (1141723389).

2502421251 is a wasteful number, since it uses less digits than its factorization.

2502421251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88746.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2502421251 is about 50024.2066503808. The cubic root of 2502421251 is about 1357.6468193478.

The spelling of 2502421251 in words is "two billion, five hundred two million, four hundred twenty-one thousand, two hundred fifty-one".