2045917425 has 48 divisors (see below), whose sum is σ = 3545898048. Its totient is φ = 1039718400.

The previous prime is 2045917417. The next prime is 2045917439. The reversal of 2045917425 is 5247195402.

It is not a de Polignac number, because 2045917425 - 2³ = 2045917417 is a prime.

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, 124489 + ... + 139961.

It is an arithmetic number, because the mean of its divisors is an integer number (73872876).

Almost surely, 2^2045917425 is an apocalyptic number.

2045917425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2045917425 is a deficient number, since it is larger than the sum of its proper divisors (1499980623).

2045917425 is a wasteful number, since it uses less digits than its factorization.

2045917425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15570 (or 15565 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 2045917425 is about 45231.8187231069. The cubic root of 2045917425 is about 1269.4902422330.

The spelling of 2045917425 in words is "two billion, forty-five million, nine hundred seventeen thousand, four hundred twenty-five".