5371991225 has 24 divisors (see below), whose sum is σ = 6806986200. Its totient is φ = 4204062720.

The previous prime is 5371991221. The next prime is 5371991237. The reversal of 5371991225 is 5221991735.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 730566841 + 4641424384 = 27029^2 + 68128^2 .

It is not a de Polignac number, because 5371991225 - 2² = 5371991221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5371991221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456617 + ... + 468233.

It is an arithmetic number, because the mean of its divisors is an integer number (283624425).

Almost surely, 2^5371991225 is an apocalyptic number.

It is an amenable number.

5371991225 is a deficient number, since it is larger than the sum of its proper divisors (1434994975).

5371991225 is a wasteful number, since it uses less digits than its factorization.

5371991225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12029 (or 12024 counting only the distinct ones).

The product of its digits is 170100, while the sum is 44.

The square root of 5371991225 is about 73293.8689454991. The cubic root of 5371991225 is about 1751.3721184429.

The spelling of 5371991225 in words is "five billion, three hundred seventy-one million, nine hundred ninety-one thousand, two hundred twenty-five".