1245361925 has 24 divisors (see below), whose sum is σ = 1567756800. Its totient is φ = 981190080.

The previous prime is 1245361913. The next prime is 1245361927. The reversal of 1245361925 is 5291635421.

It is not a de Polignac number, because 1245361925 - 2⁶ = 1245361861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245361927) 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, 1419587 + ... + 1420463.

It is an arithmetic number, because the mean of its divisors is an integer number (65323200).

Almost surely, 2^1245361925 is an apocalyptic number.

It is an amenable number.

1245361925 is a deficient number, since it is larger than the sum of its proper divisors (322394875).

1245361925 is an equidigital number, since it uses as much as digits as its factorization.

1245361925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685 (or 1680 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 1245361925 is about 35289.6858161135. The cubic root of 1245361925 is about 1075.8833698091.

The spelling of 1245361925 in words is "one billion, two hundred forty-five million, three hundred sixty-one thousand, nine hundred twenty-five".