1250245513 has 16 divisors (see below), whose sum is σ = 1411623360. Its totient is φ = 1097395200.

The previous prime is 1250245489. The next prime is 1250245541. The reversal of 1250245513 is 3155420521.

It is not a de Polignac number, because 1250245513 - 2⁵ = 1250245481 is a prime.

It is a super-2 number, since 2×1250245513² = 3126227685553266338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1250245553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29458 + ... + 58036.

It is an arithmetic number, because the mean of its divisors is an integer number (88226460).

Almost surely, 2^1250245513 is an apocalyptic number.

It is an amenable number.

1250245513 is a deficient number, since it is larger than the sum of its proper divisors (161377847).

1250245513 is a wasteful number, since it uses less digits than its factorization.

1250245513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28728.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1250245513 is about 35358.8109669994. The cubic root of 1250245513 is about 1077.2878659623.

The spelling of 1250245513 in words is "one billion, two hundred fifty million, two hundred forty-five thousand, five hundred thirteen".