1957137245 has 16 divisors (see below), whose sum is σ = 2688674688. Its totient is φ = 1339736640.

The previous prime is 1957137241. The next prime is 1957137271. The reversal of 1957137245 is 5427317591.

It is not a de Polignac number, because 1957137245 - 2² = 1957137241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1957137196 and 1957137205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957137241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27086 + ... + 68175.

It is an arithmetic number, because the mean of its divisors is an integer number (168042168).

Almost surely, 2^1957137245 is an apocalyptic number.

It is an amenable number.

1957137245 is a deficient number, since it is larger than the sum of its proper divisors (731537443).

1957137245 is an equidigital number, since it uses as much as digits as its factorization.

1957137245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95860.

The product of its digits is 264600, while the sum is 44.

The square root of 1957137245 is about 44239.5439058768. The cubic root of 1957137245 is about 1250.8553601537.

The spelling of 1957137245 in words is "one billion, nine hundred fifty-seven million, one hundred thirty-seven thousand, two hundred forty-five".