465989501 has 2 divisors, whose sum is σ = 465989502. Its totient is φ = 465989500.

The previous prime is 465989483. The next prime is 465989509. The reversal of 465989501 is 105989564.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243204025 + 222785476 = 15595^2 + 14926^2 .

It is a cyclic number.

It is not a de Polignac number, because 465989501 - 2⁶ = 465989437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465989509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232994750 + 232994751.

It is an arithmetic number, because the mean of its divisors is an integer number (232994751).

Almost surely, 2^465989501 is an apocalyptic number.

It is an amenable number.

465989501 is a deficient number, since it is larger than the sum of its proper divisors (1).

465989501 is an equidigital number, since it uses as much as digits as its factorization.

465989501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 465989501 is about 21586.7899651616. The cubic root of 465989501 is about 775.2802322001.

The spelling of 465989501 in words is "four hundred sixty-five million, nine hundred eighty-nine thousand, five hundred one".