1051646525 has 6 divisors (see below), whose sum is σ = 1304041722. Its totient is φ = 841317200.

The previous prime is 1051646489. The next prime is 1051646543. The reversal of 1051646525 is 5256461501.

It can be written as a sum of positive squares in 3 ways, for example, as 340144249 + 711502276 = 18443^2 + 26674^2 .

It is not a de Polignac number, because 1051646525 - 2¹⁰ = 1051645501 is a prime.

It is a super-2 number, since 2×1051646525² = 2211920827089151250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21032906 + ... + 21032955.

It is an arithmetic number, because the mean of its divisors is an integer number (217340287).

Almost surely, 2^1051646525 is an apocalyptic number.

It is an amenable number.

1051646525 is a deficient number, since it is larger than the sum of its proper divisors (252395197).

1051646525 is an equidigital number, since it uses as much as digits as its factorization.

1051646525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42065871 (or 42065866 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 1051646525 is about 32429.0999720930. The cubic root of 1051646525 is about 1016.9273561838.

The spelling of 1051646525 in words is "one billion, fifty-one million, six hundred forty-six thousand, five hundred twenty-five".