425353540 has 24 divisors (see below), whose sum is σ = 893634840. Its totient is φ = 170066688.

The previous prime is 425353507. The next prime is 425353571. The reversal of 425353540 is 45353524.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 334084 + 425019456 = 578^2 + 20616^2 .

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, 75874 + ... + 81286.

It is an arithmetic number, because the mean of its divisors is an integer number (37234785).

Almost surely, 2^425353540 is an apocalyptic number.

It is an amenable number.

425353540 is an abundant number, since it is smaller than the sum of its proper divisors (468281300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425353540 is a wasteful number, since it uses less digits than its factorization.

425353540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9351 (or 9349 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 425353540 is about 20624.1009501020. The cubic root of 425353540 is about 752.0557172577.

The spelling of 425353540 in words is "four hundred twenty-five million, three hundred fifty-three thousand, five hundred forty".