2517021131 has 2 divisors, whose sum is σ = 2517021132. Its totient is φ = 2517021130.

The previous prime is 2517021107. The next prime is 2517021137. The reversal of 2517021131 is 1311207152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2517021131 - 2¹⁸ = 2516758987 is a prime.

It is a super-2 number, since 2×2517021131² = 12670790747801038322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2517021097 and 2517021106.

It is not a weakly prime, because it can be changed into another prime (2517021137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258510565 + 1258510566.

It is an arithmetic number, because the mean of its divisors is an integer number (1258510566).

Almost surely, 2^2517021131 is an apocalyptic number.

2517021131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2517021131 is an equidigital number, since it uses as much as digits as its factorization.

2517021131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 2517021131 is about 50169.9225731912. The cubic root of 2517021131 is about 1360.2820080920.

Adding to 2517021131 its reverse (1311207152), we get a palindrome (3828228283).

It can be divided in two parts, 2517021 and 131, that added together give a palindrome (2517152).

The spelling of 2517021131 in words is "two billion, five hundred seventeen million, twenty-one thousand, one hundred thirty-one".