2451002251 has 16 divisors (see below), whose sum is σ = 2687199840. Its totient is φ = 2225180160.

The previous prime is 2451002243. The next prime is 2451002287. The reversal of 2451002251 is 1522001542.

It is a cyclic number.

It is not a de Polignac number, because 2451002251 - 2³ = 2451002243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2451002551) 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, 797620 + ... + 800686.

It is an arithmetic number, because the mean of its divisors is an integer number (167949990).

Almost surely, 2^2451002251 is an apocalyptic number.

2451002251 is a deficient number, since it is larger than the sum of its proper divisors (236197589).

2451002251 is a wasteful number, since it uses less digits than its factorization.

2451002251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2451002251 is about 49507.5979118357. The cubic root of 2451002251 is about 1348.2835526257.

Adding to 2451002251 its reverse (1522001542), we get a palindrome (3973003793).

The spelling of 2451002251 in words is "two billion, four hundred fifty-one million, two thousand, two hundred fifty-one".