464551397 has 2 divisors, whose sum is σ = 464551398. Its totient is φ = 464551396.

The previous prime is 464551393. The next prime is 464551441. The reversal of 464551397 is 793155464.

It is an a-pointer prime, because the next prime (464551441) can be obtained adding 464551397 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445463236 + 19088161 = 21106^2 + 4369^2 .

It is a cyclic number.

It is not a de Polignac number, because 464551397 - 2² = 464551393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464551393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232275698 + 232275699.

It is an arithmetic number, because the mean of its divisors is an integer number (232275699).

Almost surely, 2^464551397 is an apocalyptic number.

It is an amenable number.

464551397 is a deficient number, since it is larger than the sum of its proper divisors (1).

464551397 is an equidigital number, since it uses as much as digits as its factorization.

464551397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 44.

The square root of 464551397 is about 21553.4544099084. The cubic root of 464551397 is about 774.4818719263.

The spelling of 464551397 in words is "four hundred sixty-four million, five hundred fifty-one thousand, three hundred ninety-seven".