1051234513 has 4 divisors (see below), whose sum is σ = 1201410880. Its totient is φ = 901058148.

The previous prime is 1051234511. The next prime is 1051234517. The reversal of 1051234513 is 3154321501.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3154321501 = 211 ⋅14949391.

It is a cyclic number.

It is not a de Polignac number, because 1051234513 - 2¹ = 1051234511 is a prime.

It is a super-2 number, since 2×1051234513² = 2210188002644694338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051234511) 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, 75088173 + ... + 75088186.

It is an arithmetic number, because the mean of its divisors is an integer number (300352720).

Almost surely, 2^1051234513 is an apocalyptic number.

It is an amenable number.

1051234513 is a deficient number, since it is larger than the sum of its proper divisors (150176367).

1051234513 is an equidigital number, since it uses as much as digits as its factorization.

1051234513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150176366.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1051234513 is about 32422.7468453862. The cubic root of 1051234513 is about 1016.7945355727.

The spelling of 1051234513 in words is "one billion, fifty-one million, two hundred thirty-four thousand, five hundred thirteen".