2534443157 has 4 divisors (see below), whose sum is σ = 2538018540. Its totient is φ = 2530867776.

The previous prime is 2534443151. The next prime is 2534443159. The reversal of 2534443157 is 7513444352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 991053361 + 1543389796 = 31481^2 + 39286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2534443157 - 2⁸ = 2534442901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2534443157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2534443151) 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, 1786628 + ... + 1788045.

It is an arithmetic number, because the mean of its divisors is an integer number (634504635).

Almost surely, 2^2534443157 is an apocalyptic number.

It is an amenable number.

2534443157 is a deficient number, since it is larger than the sum of its proper divisors (3575383).

2534443157 is an equidigital number, since it uses as much as digits as its factorization.

2534443157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575382.

The product of its digits is 201600, while the sum is 38.

The square root of 2534443157 is about 50343.2533414359. The cubic root of 2534443157 is about 1363.4132755547.

The spelling of 2534443157 in words is "two billion, five hundred thirty-four million, four hundred forty-three thousand, one hundred fifty-seven".