2147771325 has 48 divisors (see below), whose sum is σ = 4113931136. Its totient is φ = 968371200.

The previous prime is 2147771309. The next prime is 2147771369. The reversal of 2147771325 is 5231777412.

It is not a de Polignac number, because 2147771325 - 2⁴ = 2147771309 is a prime.

It is a super-2 number, since 2×2147771325² = 9225843328984511250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10305 + ... + 66345.

Almost surely, 2^2147771325 is an apocalyptic number.

2147771325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2147771325 is a deficient number, since it is larger than the sum of its proper divisors (1966159811).

2147771325 is a wasteful number, since it uses less digits than its factorization.

2147771325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56134 (or 56129 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 2147771325 is about 46344.0538257067. The cubic root of 2147771325 is about 1290.2167624450.

The spelling of 2147771325 in words is "two billion, one hundred forty-seven million, seven hundred seventy-one thousand, three hundred twenty-five".