201178425 has 48 divisors (see below), whose sum is σ = 402509952. Its totient is φ = 86553600.

The previous prime is 201178409. The next prime is 201178433. The reversal of 201178425 is 524871102.

It is not a de Polignac number, because 201178425 - 2⁴ = 201178409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201178392 and 201178401.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2346 + ... + 20195.

It is an arithmetic number, because the mean of its divisors is an integer number (8385624).

Almost surely, 2^201178425 is an apocalyptic number.

201178425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201178425 is an abundant number, since it is smaller than the sum of its proper divisors (201331527).

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

201178425 is a wasteful number, since it uses less digits than its factorization.

201178425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22578 (or 22573 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 201178425 is about 14183.7380474965. The cubic root of 201178425 is about 585.9498776763.

The spelling of 201178425 in words is "two hundred one million, one hundred seventy-eight thousand, four hundred twenty-five".