1507272257 has 2 divisors, whose sum is σ = 1507272258. Its totient is φ = 1507272256.

The previous prime is 1507272253. The next prime is 1507272259. The reversal of 1507272257 is 7522727051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 838739521 + 668532736 = 28961^2 + 25856^2 .

It is a cyclic number.

It is not a de Polignac number, because 1507272257 - 2² = 1507272253 is a prime.

Together with 1507272259, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1507272257.

It is not a weakly prime, because it can be changed into another prime (1507272253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753636128 + 753636129.

It is an arithmetic number, because the mean of its divisors is an integer number (753636129).

Almost surely, 2^1507272257 is an apocalyptic number.

It is an amenable number.

1507272257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1507272257 is an equidigital number, since it uses as much as digits as its factorization.

1507272257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68600, while the sum is 38.

The square root of 1507272257 is about 38823.6043792948. The cubic root of 1507272257 is about 1146.5611845893.

The spelling of 1507272257 in words is "one billion, five hundred seven million, two hundred seventy-two thousand, two hundred fifty-seven".