1523920425 has 12 divisors (see below), whose sum is σ = 2519548560. Its totient is φ = 812757520.

The previous prime is 1523920417. The next prime is 1523920439. The reversal of 1523920425 is 5240293251.

It is not a de Polignac number, because 1523920425 - 2³ = 1523920417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10159395 + ... + 10159544.

It is an arithmetic number, because the mean of its divisors is an integer number (209962380).

Almost surely, 2^1523920425 is an apocalyptic number.

1523920425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1523920425 is a deficient number, since it is larger than the sum of its proper divisors (995628135).

1523920425 is a wasteful number, since it uses less digits than its factorization.

1523920425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20318952 (or 20318947 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1523920425 is about 39037.4233908951. The cubic root of 1523920425 is about 1150.7670811650.

The spelling of 1523920425 in words is "one billion, five hundred twenty-three million, nine hundred twenty thousand, four hundred twenty-five".