97262551 has 2 divisors, whose sum is σ = 97262552. Its totient is φ = 97262550.

The previous prime is 97262533. The next prime is 97262567. The reversal of 97262551 is 15526279.

It is a strong prime.

It is an emirp because it is prime and its reverse (15526279) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97262551 is a prime.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 97262551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97262521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48631275 + 48631276.

It is an arithmetic number, because the mean of its divisors is an integer number (48631276).

Almost surely, 2^97262551 is an apocalyptic number.

97262551 is the 4411-st centered decagonal number.

97262551 is a deficient number, since it is larger than the sum of its proper divisors (1).

97262551 is an equidigital number, since it uses as much as digits as its factorization.

97262551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 97262551 is about 9862.1778020881. The cubic root of 97262551 is about 459.8842667258.

The spelling of 97262551 in words is "ninety-seven million, two hundred sixty-two thousand, five hundred fifty-one".