707481157 has 2 divisors, whose sum is σ = 707481158. Its totient is φ = 707481156.

The previous prime is 707481143. The next prime is 707481167. The reversal of 707481157 is 751184707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400040001 + 307441156 = 20001^2 + 17534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-707481157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (707481167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353740578 + 353740579.

It is an arithmetic number, because the mean of its divisors is an integer number (353740579).

Almost surely, 2^707481157 is an apocalyptic number.

It is an amenable number.

707481157 is a deficient number, since it is larger than the sum of its proper divisors (1).

707481157 is an equidigital number, since it uses as much as digits as its factorization.

707481157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54880, while the sum is 40.

The square root of 707481157 is about 26598.5179474346. The cubic root of 707481157 is about 891.0559183898.

The spelling of 707481157 in words is "seven hundred seven million, four hundred eighty-one thousand, one hundred fifty-seven".