632040251 has 2 divisors, whose sum is σ = 632040252. Its totient is φ = 632040250.

The previous prime is 632040217. The next prime is 632040257. The reversal of 632040251 is 152040236.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 632040251 - 2¹⁰ = 632039227 is a prime.

It is not a weakly prime, because it can be changed into another prime (632040257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316020125 + 316020126.

It is an arithmetic number, because the mean of its divisors is an integer number (316020126).

Almost surely, 2^632040251 is an apocalyptic number.

632040251 is a deficient number, since it is larger than the sum of its proper divisors (1).

632040251 is an equidigital number, since it uses as much as digits as its factorization.

632040251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 632040251 is about 25140.4107166132. The cubic root of 632040251 is about 858.1863034381.

Adding to 632040251 its reverse (152040236), we get a palindrome (784080487).

The spelling of 632040251 in words is "six hundred thirty-two million, forty thousand, two hundred fifty-one".