1052421025 has 12 divisors (see below), whose sum is σ = 1310707900. Its totient is φ = 838255680.

The previous prime is 1052420981. The next prime is 1052421031. The reversal of 1052421025 is 5201242501.

It can be written as a sum of positive squares in 6 ways, for example, as 121682961 + 930738064 = 11031^2 + 30508^2 .

It is not a de Polignac number, because 1052421025 - 2¹⁵ = 1052388257 is a prime.

It is a super-2 number, since 2×1052421025² = 2215180027724101250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052420987 and 1052421005.

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, 86190 + ... + 97639.

Almost surely, 2^1052421025 is an apocalyptic number.

It is an amenable number.

1052421025 is a deficient number, since it is larger than the sum of its proper divisors (258286875).

1052421025 is a wasteful number, since it uses less digits than its factorization.

1052421025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184068 (or 184063 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1052421025 is about 32441.0392096184. The cubic root of 1052421025 is about 1017.1769384496.

Adding to 1052421025 its reverse (5201242501), we get a palindrome (6253663526).

The spelling of 1052421025 in words is "one billion, fifty-two million, four hundred twenty-one thousand, twenty-five".