416623531 has 2 divisors, whose sum is σ = 416623532. Its totient is φ = 416623530.

The previous prime is 416623457. The next prime is 416623547. The reversal of 416623531 is 135326614.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 416623531 - 2²¹ = 414526379 is a prime.

It is a super-2 number, since 2×416623531² = 347150333165815922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 416623493 and 416623502.

It is not a weakly prime, because it can be changed into another prime (416623561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208311765 + 208311766.

It is an arithmetic number, because the mean of its divisors is an integer number (208311766).

Almost surely, 2^416623531 is an apocalyptic number.

416623531 is a deficient number, since it is larger than the sum of its proper divisors (1).

416623531 is an equidigital number, since it uses as much as digits as its factorization.

416623531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 416623531 is about 20411.3578921149. The cubic root of 416623531 is about 746.8750157525.

The spelling of 416623531 in words is "four hundred sixteen million, six hundred twenty-three thousand, five hundred thirty-one".