63251725 has 24 divisors (see below), whose sum is σ = 83869632. Its totient is φ = 47203200.

The previous prime is 63251723. The next prime is 63251761. The reversal of 63251725 is 52715236.

It is not a de Polignac number, because 63251725 - 2¹ = 63251723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63251723) 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, 22234 + ... + 24916.

It is an arithmetic number, because the mean of its divisors is an integer number (3494568).

Almost surely, 2^63251725 is an apocalyptic number.

It is an amenable number.

63251725 is a deficient number, since it is larger than the sum of its proper divisors (20617907).

63251725 is a wasteful number, since it uses less digits than its factorization.

63251725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757 (or 2752 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 63251725 is about 7953.0953093748. The cubic root of 63251725 is about 398.4349785051.

The spelling of 63251725 in words is "sixty-three million, two hundred fifty-one thousand, seven hundred twenty-five".