90514507 has 2 divisors, whose sum is σ = 90514508. Its totient is φ = 90514506.

The previous prime is 90514447. The next prime is 90514531. The reversal of 90514507 is 70541509.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90514507 - 2²³ = 82125899 is a prime.

It is not a weakly prime, because it can be changed into another prime (90514547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45257253 + 45257254.

It is an arithmetic number, because the mean of its divisors is an integer number (45257254).

Almost surely, 2^90514507 is an apocalyptic number.

90514507 is a deficient number, since it is larger than the sum of its proper divisors (1).

90514507 is an equidigital number, since it uses as much as digits as its factorization.

90514507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 90514507 is about 9513.9112356591. The cubic root of 90514507 is about 448.9928206880.

The spelling of 90514507 in words is "ninety million, five hundred fourteen thousand, five hundred seven".