1900425 has 12 divisors (see below), whose sum is σ = 3142160. Its totient is φ = 1013520.

The previous prime is 1900397. The next prime is 1900429. The reversal of 1900425 is 5240091.

It is not a de Polignac number, because 1900425 - 2⁸ = 1900169 is a prime.

It is a super-2 number, since 2×1900425² = 7223230361250, which contains 22 as substring.

1900425 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1900429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12595 + ... + 12744.

2^1900425 is an apocalyptic number.

1900425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1900425 is a deficient number, since it is larger than the sum of its proper divisors (1241735).

1900425 is a wasteful number, since it uses less digits than its factorization.

1900425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25352 (or 25347 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1900425 is about 1378.5590302921. The cubic root of 1900425 is about 123.8654671691.

The spelling of 1900425 in words is "one million, nine hundred thousand, four hundred twenty-five".