425251155 has 24 divisors (see below), whose sum is σ = 791489232. Its totient is φ = 194400192.

The previous prime is 425251153. The next prime is 425251193. The reversal of 425251155 is 551152524.

It is not a de Polignac number, because 425251155 - 2¹ = 425251153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425251153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288552 + ... + 290021.

It is an arithmetic number, because the mean of its divisors is an integer number (32978718).

Almost surely, 2^425251155 is an apocalyptic number.

425251155 is a deficient number, since it is larger than the sum of its proper divisors (366238077).

425251155 is a wasteful number, since it uses less digits than its factorization.

425251155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578595 (or 578588 counting only the distinct ones).

The product of its digits is 10000, while the sum is 30.

The square root of 425251155 is about 20621.6186319115. The cubic root of 425251155 is about 751.9953710623.

The spelling of 425251155 in words is "four hundred twenty-five million, two hundred fifty-one thousand, one hundred fifty-five".