1052256401 has 4 divisors (see below), whose sum is σ = 1202578752. Its totient is φ = 901934052.

The previous prime is 1052256389. The next prime is 1052256407. The reversal of 1052256401 is 1046522501.

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 1052256401 - 2¹⁴ = 1052240017 is a prime.

It is a super-2 number, since 2×1052256401² = 2214487066890945602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052256407) 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, 75161165 + ... + 75161178.

It is an arithmetic number, because the mean of its divisors is an integer number (300644688).

Almost surely, 2^1052256401 is an apocalyptic number.

It is an amenable number.

1052256401 is a deficient number, since it is larger than the sum of its proper divisors (150322351).

1052256401 is an equidigital number, since it uses as much as digits as its factorization.

1052256401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150322350.

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

The square root of 1052256401 is about 32438.5018303867. The cubic root of 1052256401 is about 1017.1238986919.

Adding to 1052256401 its reverse (1046522501), we get a palindrome (2098778902).

The spelling of 1052256401 in words is "one billion, fifty-two million, two hundred fifty-six thousand, four hundred one".