425253390 has 32 divisors (see below), whose sum is σ = 1055803680. Its totient is φ = 109490304.

The previous prime is 425253341. The next prime is 425253391. The reversal of 425253390 is 93352524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425253391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243529 + ... + 245268.

It is an arithmetic number, because the mean of its divisors is an integer number (32993865).

Almost surely, 2^425253390 is an apocalyptic number.

425253390 is an abundant number, since it is smaller than the sum of its proper divisors (630550290).

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

425253390 is a wasteful number, since it uses less digits than its factorization.

425253390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488836.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 425253390 is about 20621.6728225428. The cubic root of 425253390 is about 751.9966884851.

The spelling of 425253390 in words is "four hundred twenty-five million, two hundred fifty-three thousand, three hundred ninety".