2151534256253 has 2 divisors, whose sum is σ = 2151534256254. Its totient is φ = 2151534256252.

The previous prime is 2151534256243. The next prime is 2151534256331. The reversal of 2151534256253 is 3526524351512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1192697699449 + 958836556804 = 1092107^2 + 979202^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151534256253 - 2¹⁰ = 2151534255229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151534256243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075767128126 + 1075767128127.

It is an arithmetic number, because the mean of its divisors is an integer number (1075767128127).

Almost surely, 2^{2151534256253} is an apocalyptic number.

It is an amenable number.

2151534256253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151534256253 is an equidigital number, since it uses as much as digits as its factorization.

2151534256253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080000, while the sum is 44.

The spelling of 2151534256253 in words is "two trillion, one hundred fifty-one billion, five hundred thirty-four million, two hundred fifty-six thousand, two hundred fifty-three".