1251462425 has 12 divisors (see below), whose sum is σ = 1552267836. Its totient is φ = 1000876800.

The previous prime is 1251462419. The next prime is 1251462431. The reversal of 1251462425 is 5242641521.

It is an interprime number because it is at equal distance from previous prime (1251462419) and next prime (1251462431).

It can be written as a sum of positive squares in 6 ways, for example, as 3041536 + 1248420889 = 1744^2 + 35333^2 .

It is not a de Polignac number, because 1251462425 - 2¹⁶ = 1251396889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1251462391 and 1251462400.

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, 130805 + ... + 140045.

It is an arithmetic number, because the mean of its divisors is an integer number (129355653).

Almost surely, 2^1251462425 is an apocalyptic number.

It is an amenable number.

1251462425 is a deficient number, since it is larger than the sum of its proper divisors (300805411).

1251462425 is an equidigital number, since it uses as much as digits as its factorization.

1251462425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14668 (or 14663 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 1251462425 is about 35376.0148264329. The cubic root of 1251462425 is about 1077.6372745146.

The spelling of 1251462425 in words is "one billion, two hundred fifty-one million, four hundred sixty-two thousand, four hundred twenty-five".