425743537 has 2 divisors, whose sum is σ = 425743538. Its totient is φ = 425743536.

The previous prime is 425743499. The next prime is 425743567. The reversal of 425743537 is 735347524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299428416 + 126315121 = 17304^2 + 11239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425743537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425743537.

It is not a weakly prime, because it can be changed into another prime (425743567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212871768 + 212871769.

It is an arithmetic number, because the mean of its divisors is an integer number (212871769).

Almost surely, 2^425743537 is an apocalyptic number.

It is an amenable number.

425743537 is a deficient number, since it is larger than the sum of its proper divisors (1).

425743537 is an equidigital number, since it uses as much as digits as its factorization.

425743537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 40.

The square root of 425743537 is about 20633.5536687212. The cubic root of 425743537 is about 752.2854946481.

The spelling of 425743537 in words is "four hundred twenty-five million, seven hundred forty-three thousand, five hundred thirty-seven".