46249991 has 2 divisors, whose sum is σ = 46249992. Its totient is φ = 46249990.

The previous prime is 46249981. The next prime is 46250003. The reversal of 46249991 is 19994264.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46249991 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_2789189 and since 46249991 and 2789189 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46249921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23124995 + 23124996.

It is an arithmetic number, because the mean of its divisors is an integer number (23124996).

Almost surely, 2^46249991 is an apocalyptic number.

46249991 is a deficient number, since it is larger than the sum of its proper divisors (1).

46249991 is an equidigital number, since it uses as much as digits as its factorization.

46249991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 44.

The square root of 46249991 is about 6800.7345926745. The cubic root of 46249991 is about 358.9526943200.

The spelling of 46249991 in words is "forty-six million, two hundred forty-nine thousand, nine hundred ninety-one".