63825137 has 4 divisors (see below), whose sum is σ = 63870576. Its totient is φ = 63779700.

The previous prime is 63825131. The next prime is 63825163. The reversal of 63825137 is 73152836.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63825137 - 2⁴ = 63825121 is a prime.

It is a super-2 number, since 2×63825137² = 8147296226137538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63825097 and 63825106.

It is not an unprimeable number, because it can be changed into a prime (63825131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20543 + ... + 23444.

It is an arithmetic number, because the mean of its divisors is an integer number (15967644).

Almost surely, 2^63825137 is an apocalyptic number.

It is an amenable number.

63825137 is a deficient number, since it is larger than the sum of its proper divisors (45439).

63825137 is a wasteful number, since it uses less digits than its factorization.

63825137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45438.

The product of its digits is 30240, while the sum is 35.

The square root of 63825137 is about 7989.0635871797. The cubic root of 63825137 is about 399.6353697964.

The spelling of 63825137 in words is "sixty-three million, eight hundred twenty-five thousand, one hundred thirty-seven".