2512921431 has 4 divisors (see below), whose sum is σ = 3350561912. Its totient is φ = 1675280952.

The previous prime is 2512921409. The next prime is 2512921471. The reversal of 2512921431 is 1341292152.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2512921431 - 2⁹ = 2512920919 is a prime.

It is a super-2 number, since 2×2512921431² = 12629548236758175522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512921471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418820236 + ... + 418820241.

It is an arithmetic number, because the mean of its divisors is an integer number (837640478).

Almost surely, 2^2512921431 is an apocalyptic number.

2512921431 is a deficient number, since it is larger than the sum of its proper divisors (837640481).

2512921431 is an equidigital number, since it uses as much as digits as its factorization.

2512921431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837640480.

The product of its digits is 4320, while the sum is 30.

The square root of 2512921431 is about 50129.0477767133. The cubic root of 2512921431 is about 1359.5430686360.

The spelling of 2512921431 in words is "two billion, five hundred twelve million, nine hundred twenty-one thousand, four hundred thirty-one".