46645397 has 2 divisors, whose sum is σ = 46645398. Its totient is φ = 46645396.

The previous prime is 46645393. The next prime is 46645409. The reversal of 46645397 is 79354664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46321636 + 323761 = 6806^2 + 569^2 .

It is a cyclic number.

It is not a de Polignac number, because 46645397 - 2² = 46645393 is a prime.

It is a super-2 number, since 2×46645397² = 4351586122575218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46645393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23322698 + 23322699.

It is an arithmetic number, because the mean of its divisors is an integer number (23322699).

Almost surely, 2^46645397 is an apocalyptic number.

It is an amenable number.

46645397 is a deficient number, since it is larger than the sum of its proper divisors (1).

46645397 is an equidigital number, since it uses as much as digits as its factorization.

46645397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 44.

The square root of 46645397 is about 6829.7435530187. The cubic root of 46645397 is about 359.9727268433.

The spelling of 46645397 in words is "forty-six million, six hundred forty-five thousand, three hundred ninety-seven".