1957141253 has 2 divisors, whose sum is σ = 1957141254. Its totient is φ = 1957141252.

The previous prime is 1957141243. The next prime is 1957141289. The reversal of 1957141253 is 3521417591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1357038244 + 600103009 = 36838^2 + 24497^2 .

It is a cyclic number.

It is not a de Polignac number, because 1957141253 - 2¹⁸ = 1956879109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1957141223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978570626 + 978570627.

It is an arithmetic number, because the mean of its divisors is an integer number (978570627).

Almost surely, 2^1957141253 is an apocalyptic number.

It is an amenable number.

1957141253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1957141253 is an equidigital number, since it uses as much as digits as its factorization.

1957141253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 38.

The square root of 1957141253 is about 44239.5892046931. The cubic root of 1957141253 is about 1250.8562140241.

The spelling of 1957141253 in words is "one billion, nine hundred fifty-seven million, one hundred forty-one thousand, two hundred fifty-three".