425203551 has 12 divisors (see below), whose sum is σ = 614811912. Its totient is φ = 283178736.

The previous prime is 425203529. The next prime is 425203561. The reversal of 425203551 is 155302524.

It is a happy number.

It is not a de Polignac number, because 425203551 - 2⁹ = 425203039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425203561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14721 + ... + 32666.

It is an arithmetic number, because the mean of its divisors is an integer number (51234326).

Almost surely, 2^425203551 is an apocalyptic number.

425203551 is a deficient number, since it is larger than the sum of its proper divisors (189608361).

425203551 is a wasteful number, since it uses less digits than its factorization.

425203551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48390 (or 48387 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 425203551 is about 20620.4643740145. The cubic root of 425203551 is about 751.9673097444.

The spelling of 425203551 in words is "four hundred twenty-five million, two hundred three thousand, five hundred fifty-one".