46187621 has 2 divisors, whose sum is σ = 46187622. Its totient is φ = 46187620.

The previous prime is 46187597. The next prime is 46187639. The reversal of 46187621 is 12678164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46104100 + 83521 = 6790^2 + 289^2 .

It is a cyclic number.

It is not a de Polignac number, because 46187621 - 2¹⁰ = 46186597 is a prime.

It is equal to p_2785652 and since 46187621 and 2785652 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 (46187821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23093810 + 23093811.

It is an arithmetic number, because the mean of its divisors is an integer number (23093811).

Almost surely, 2^46187621 is an apocalyptic number.

It is an amenable number.

46187621 is a deficient number, since it is larger than the sum of its proper divisors (1).

46187621 is an equidigital number, since it uses as much as digits as its factorization.

46187621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 46187621 is about 6796.1475116422. The cubic root of 46187621 is about 358.7912676165.

The spelling of 46187621 in words is "forty-six million, one hundred eighty-seven thousand, six hundred twenty-one".