425387492 has 6 divisors (see below), whose sum is σ = 744428118. Its totient is φ = 212693744.

The previous prime is 425387453. The next prime is 425387497. The reversal of 425387492 is 294783524.

It can be written as a sum of positive squares in only one way, i.e., 336575716 + 88811776 = 18346^2 + 9424^2 .

It is not an unprimeable number, because it can be changed into a prime (425387497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53173433 + ... + 53173440.

It is an arithmetic number, because the mean of its divisors is an integer number (124071353).

Almost surely, 2^425387492 is an apocalyptic number.

It is an amenable number.

425387492 is a deficient number, since it is larger than the sum of its proper divisors (319040626).

425387492 is a wasteful number, since it uses less digits than its factorization.

425387492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106346877 (or 106346875 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 425387492 is about 20624.9240483450. The cubic root of 425387492 is about 752.0757265864.

The spelling of 425387492 in words is "four hundred twenty-five million, three hundred eighty-seven thousand, four hundred ninety-two".