2572404137 has 2 divisors, whose sum is σ = 2572404138. Its totient is φ = 2572404136.

The previous prime is 2572404077. The next prime is 2572404187. The reversal of 2572404137 is 7314042752.

2572404137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1832781721 + 739622416 = 42811^2 + 27196^2 .

It is a cyclic number.

It is not a de Polignac number, because 2572404137 - 2²⁰ = 2571355561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2572404097 and 2572404106.

It is not a weakly prime, because it can be changed into another prime (2572404187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286202068 + 1286202069.

It is an arithmetic number, because the mean of its divisors is an integer number (1286202069).

Almost surely, 2^2572404137 is an apocalyptic number.

It is an amenable number.

2572404137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2572404137 is an equidigital number, since it uses as much as digits as its factorization.

2572404137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 2572404137 is about 50718.8735777915. The cubic root of 2572404137 is about 1370.1866541996.

Adding to 2572404137 its reverse (7314042752), we get a palindrome (9886446889).

The spelling of 2572404137 in words is "two billion, five hundred seventy-two million, four hundred four thousand, one hundred thirty-seven".