1051244513 has 4 divisors (see below), whose sum is σ = 1146812208. Its totient is φ = 955676820.

The previous prime is 1051244489. The next prime is 1051244567. The reversal of 1051244513 is 3154421501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1051244513 - 2⁶ = 1051244449 is a prime.

It is a super-2 number, since 2×1051244513² = 2210230052225214338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051244413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47783831 + ... + 47783852.

It is an arithmetic number, because the mean of its divisors is an integer number (286703052).

Almost surely, 2^1051244513 is an apocalyptic number.

It is an amenable number.

1051244513 is a deficient number, since it is larger than the sum of its proper divisors (95567695).

1051244513 is an equidigital number, since it uses as much as digits as its factorization.

1051244513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95567694.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1051244513 is about 32422.9010577400. The cubic root of 1051244513 is about 1016.7977596909.

The spelling of 1051244513 in words is "one billion, fifty-one million, two hundred forty-four thousand, five hundred thirteen".