462491651 has 2 divisors, whose sum is σ = 462491652. Its totient is φ = 462491650.

The previous prime is 462491633. The next prime is 462491669. The reversal of 462491651 is 156194264.

It is a balanced prime because it is at equal distance from previous prime (462491633) and next prime (462491669).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-462491651 is a prime.

It is a Sophie Germain prime.

It is equal to p_24479372 and since 462491651 and 24479372 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (462491951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231245825 + 231245826.

It is an arithmetic number, because the mean of its divisors is an integer number (231245826).

Almost surely, 2^462491651 is an apocalyptic number.

462491651 is a deficient number, since it is larger than the sum of its proper divisors (1).

462491651 is an equidigital number, since it uses as much as digits as its factorization.

462491651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 462491651 is about 21505.6190564234. The cubic root of 462491651 is about 773.3355334402.

The spelling of 462491651 in words is "four hundred sixty-two million, four hundred ninety-one thousand, six hundred fifty-one".