425370399 has 4 divisors (see below), whose sum is σ = 567160536. Its totient is φ = 283580264.

The previous prime is 425370397. The next prime is 425370467. The reversal of 425370399 is 993073524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425370399 - 2¹ = 425370397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425370399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425370391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70895064 + ... + 70895069.

It is an arithmetic number, because the mean of its divisors is an integer number (141790134).

Almost surely, 2^425370399 is an apocalyptic number.

425370399 is a deficient number, since it is larger than the sum of its proper divisors (141790137).

425370399 is a wasteful number, since it uses less digits than its factorization.

425370399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141790136.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 425370399 is about 20624.5096668988. The cubic root of 425370399 is about 752.0656531021.

The spelling of 425370399 in words is "four hundred twenty-five million, three hundred seventy thousand, three hundred ninety-nine".