275525252507 has 2 divisors, whose sum is σ = 275525252508. Its totient is φ = 275525252506.

The previous prime is 275525252503. The next prime is 275525252603. The reversal of 275525252507 is 705252525572.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275525252507 - 2² = 275525252503 is a prime.

It is a super-2 number, since 2×275525252507² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (275525252503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137762626253 + 137762626254.

It is an arithmetic number, because the mean of its divisors is an integer number (137762626254).

Almost surely, 2^275525252507 is an apocalyptic number.

275525252507 is a deficient number, since it is larger than the sum of its proper divisors (1).

275525252507 is an equidigital number, since it uses as much as digits as its factorization.

275525252507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2450000, while the sum is 47.

The spelling of 275525252507 in words is "two hundred seventy-five billion, five hundred twenty-five million, two hundred fifty-two thousand, five hundred seven".