2572049381 has 16 divisors (see below), whose sum is σ = 2843332800. Its totient is φ = 2307156480.

The previous prime is 2572049341. The next prime is 2572049383. The reversal of 2572049381 is 1839402752.

It is a cyclic number.

It is not a de Polignac number, because 2572049381 - 2⁶ = 2572049317 is a prime.

It is a super-2 number, since 2×2572049381² = 13230876036604966322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572049383) 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, 368930 + ... + 375836.

It is an arithmetic number, because the mean of its divisors is an integer number (177708300).

Almost surely, 2^2572049381 is an apocalyptic number.

It is an amenable number.

2572049381 is a deficient number, since it is larger than the sum of its proper divisors (271283419).

2572049381 is a wasteful number, since it uses less digits than its factorization.

2572049381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7364.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2572049381 is about 50715.3761792220. The cubic root of 2572049381 is about 1370.1236645789.

The spelling of 2572049381 in words is "two billion, five hundred seventy-two million, forty-nine thousand, three hundred eighty-one".