1051213025 has 12 divisors (see below), whose sum is σ = 1348453500. Its totient is φ = 811970880.

The previous prime is 1051213013. The next prime is 1051213039. The reversal of 1051213025 is 5203121501.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1517824 + 1049695201 = 1232^2 + 32399^2 .

It is not a de Polignac number, because 1051213025 - 2⁶ = 1051212961 is a prime.

It is a super-2 number, since 2×1051213025² = 2210097647859301250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051212988 and 1051213006.

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, 724250 + ... + 725699.

It is an arithmetic number, because the mean of its divisors is an integer number (112371125).

Almost surely, 2^1051213025 is an apocalyptic number.

It is an amenable number.

1051213025 is a deficient number, since it is larger than the sum of its proper divisors (297240475).

1051213025 is a wasteful number, since it uses less digits than its factorization.

1051213025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449988 (or 1449983 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1051213025 is about 32422.4154713988. The cubic root of 1051213025 is about 1016.7876075182.

Adding to 1051213025 its reverse (5203121501), we get a palindrome (6254334526).

The spelling of 1051213025 in words is "one billion, fifty-one million, two hundred thirteen thousand, twenty-five".