2555302531 has 2 divisors, whose sum is σ = 2555302532. Its totient is φ = 2555302530.

The previous prime is 2555302523. The next prime is 2555302579. The reversal of 2555302531 is 1352035552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2555302531 - 2³ = 2555302523 is a prime.

It is a super-2 number, since 2×2555302531² = 13059142049870011922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2555302493 and 2555302502.

It is not a weakly prime, because it can be changed into another prime (2555302501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277651265 + 1277651266.

It is an arithmetic number, because the mean of its divisors is an integer number (1277651266).

Almost surely, 2^2555302531 is an apocalyptic number.

2555302531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555302531 is an equidigital number, since it uses as much as digits as its factorization.

2555302531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 2555302531 is about 50550.0003066271. Note that the first 3 decimals coincide. The cubic root of 2555302531 is about 1367.1435201407.

Subtracting from 2555302531 its sum of digits (31), we obtain a square (2555302500 = 50550²).

The spelling of 2555302531 in words is "two billion, five hundred fifty-five million, three hundred two thousand, five hundred thirty-one".