425509355 has 4 divisors (see below), whose sum is σ = 510611232. Its totient is φ = 340407480.

The previous prime is 425509339. The next prime is 425509391. The reversal of 425509355 is 553905524.

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

It is not a de Polignac number, because 425509355 - 2⁴ = 425509339 is a prime.

It is a super-2 number, since 2×425509355² = 362116422385032050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42550931 + ... + 42550940.

It is an arithmetic number, because the mean of its divisors is an integer number (127652808).

Almost surely, 2^425509355 is an apocalyptic number.

425509355 is a deficient number, since it is larger than the sum of its proper divisors (85101877).

425509355 is an equidigital number, since it uses as much as digits as its factorization.

425509355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85101876.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 425509355 is about 20627.8781022189. The cubic root of 425509355 is about 752.1475367638.

The spelling of 425509355 in words is "four hundred twenty-five million, five hundred nine thousand, three hundred fifty-five".