2357072381 has 2 divisors, whose sum is σ = 2357072382. Its totient is φ = 2357072380.

The previous prime is 2357072371. The next prime is 2357072437. The reversal of 2357072381 is 1832707532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1908903481 + 448168900 = 43691^2 + 21170^2 .

It is a cyclic number.

It is not a de Polignac number, because 2357072381 - 2²⁶ = 2289963517 is a prime.

It is a super-2 number, since 2×2357072381² = 11111580418546018322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2357072371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1178536190 + 1178536191.

It is an arithmetic number, because the mean of its divisors is an integer number (1178536191).

Almost surely, 2^2357072381 is an apocalyptic number.

It is an amenable number.

2357072381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2357072381 is an equidigital number, since it uses as much as digits as its factorization.

2357072381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 2357072381 is about 48549.6898136332. The cubic root of 2357072381 is about 1330.8352830578.

The spelling of 2357072381 in words is "two billion, three hundred fifty-seven million, seventy-two thousand, three hundred eighty-one".