2651463253 has 16 divisors (see below), whose sum is σ = 2850408576. Its totient is φ = 2459920320.

The previous prime is 2651463247. The next prime is 2651463307. The reversal of 2651463253 is 3523641562.

It is a cyclic number.

It is not a de Polignac number, because 2651463253 - 2²¹ = 2649366101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651463203) 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, 276975 + ... + 286387.

It is an arithmetic number, because the mean of its divisors is an integer number (178150536).

Almost surely, 2^2651463253 is an apocalyptic number.

2651463253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2651463253 is a deficient number, since it is larger than the sum of its proper divisors (198945323).

2651463253 is a wasteful number, since it uses less digits than its factorization.

2651463253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9804.

The product of its digits is 129600, while the sum is 37.

The square root of 2651463253 is about 51492.3611130816. The cubic root of 2651463253 is about 1384.0821598917.

The spelling of 2651463253 in words is "two billion, six hundred fifty-one million, four hundred sixty-three thousand, two hundred fifty-three".