2572131542 has 4 divisors (see below), whose sum is σ = 3858197316. Its totient is φ = 1286065770.

The previous prime is 2572131511. The next prime is 2572131547. The reversal of 2572131542 is 2451312752.

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

It is a junction number, because it is equal to n+sod(n) for n = 2572131499 and 2572131508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572131547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643032884 + ... + 643032887.

It is an arithmetic number, because the mean of its divisors is an integer number (964549329).

Almost surely, 2^2572131542 is an apocalyptic number.

2572131542 is a deficient number, since it is larger than the sum of its proper divisors (1286065774).

2572131542 is a wasteful number, since it uses less digits than its factorization.

2572131542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286065773.

The product of its digits is 16800, while the sum is 32.

The square root of 2572131542 is about 50716.1861933643. The cubic root of 2572131542 is about 1370.1382534034.

The spelling of 2572131542 in words is "two billion, five hundred seventy-two million, one hundred thirty-one thousand, five hundred forty-two".