425197790 has 16 divisors (see below), whose sum is σ = 765713520. Its totient is φ = 169999680.

The previous prime is 425197753. The next prime is 425197807. The reversal of 425197790 is 97791524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15701 + ... + 33119.

It is an arithmetic number, because the mean of its divisors is an integer number (47857095).

Almost surely, 2^425197790 is an apocalyptic number.

425197790 is a deficient number, since it is larger than the sum of its proper divisors (340515730).

425197790 is a wasteful number, since it uses less digits than its factorization.

425197790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19867.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 425197790 is about 20620.3246822158. The cubic root of 425197790 is about 751.9639136429.

The spelling of 425197790 in words is "four hundred twenty-five million, one hundred ninety-seven thousand, seven hundred ninety".