1051672925 has 12 divisors (see below), whose sum is σ = 1304732340. Its totient is φ = 840913920.

The previous prime is 1051672891. The next prime is 1051672927. The reversal of 1051672925 is 5292761501.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 156825529 + 894847396 = 12523^2 + 29914^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1051672925 is a prime.

It is a super-2 number, since 2×1051672925² = 2212031882356111250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051672927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45821 + ... + 64829.

It is an arithmetic number, because the mean of its divisors is an integer number (108727695).

Almost surely, 2^1051672925 is an apocalyptic number.

It is an amenable number.

1051672925 is a deficient number, since it is larger than the sum of its proper divisors (253059415).

1051672925 is a wasteful number, since it uses less digits than its factorization.

1051672925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21232 (or 21227 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 1051672925 is about 32429.5070113624. The cubic root of 1051672925 is about 1016.9358655884.

The spelling of 1051672925 in words is "one billion, fifty-one million, six hundred seventy-two thousand, nine hundred twenty-five".