425740564 has 6 divisors (see below), whose sum is σ = 745045994. Its totient is φ = 212870280.

The previous prime is 425740529. The next prime is 425740583. The reversal of 425740564 is 465047524.

It can be written as a sum of positive squares in only one way, i.e., 393704964 + 32035600 = 19842^2 + 5660^2 .

It is a super-3 number, since 3×425740564³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53217567 + ... + 53217574.

Almost surely, 2^425740564 is an apocalyptic number.

It is an amenable number.

425740564 is a deficient number, since it is larger than the sum of its proper divisors (319305430).

425740564 is a wasteful number, since it uses less digits than its factorization.

425740564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106435145 (or 106435143 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 425740564 is about 20633.4816257461. The cubic root of 425740564 is about 752.2837435548.

The spelling of 425740564 in words is "four hundred twenty-five million, seven hundred forty thousand, five hundred sixty-four".