90610951 has 2 divisors, whose sum is σ = 90610952. Its totient is φ = 90610950.

The previous prime is 90610907. The next prime is 90610957. The reversal of 90610951 is 15901609.

It is a strong prime.

It is an emirp because it is prime and its reverse (15901609) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90610951 - 2¹⁹ = 90086663 is a prime.

It is a super-2 number, since 2×90610951² = 16420688882248802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90610957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45305475 + 45305476.

It is an arithmetic number, because the mean of its divisors is an integer number (45305476).

Almost surely, 2^90610951 is an apocalyptic number.

90610951 is a deficient number, since it is larger than the sum of its proper divisors (1).

90610951 is an equidigital number, since it uses as much as digits as its factorization.

90610951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 90610951 is about 9518.9784641000. The cubic root of 90610951 is about 449.1522326775.

The spelling of 90610951 in words is "ninety million, six hundred ten thousand, nine hundred fifty-one".