73925251 has 2 divisors, whose sum is σ = 73925252. Its totient is φ = 73925250.

The previous prime is 73925237. The next prime is 73925261. The reversal of 73925251 is 15252937.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73925251 is a prime.

It is not a weakly prime, because it can be changed into another prime (73925261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36962625 + 36962626.

It is an arithmetic number, because the mean of its divisors is an integer number (36962626).

Almost surely, 2^73925251 is an apocalyptic number.

73925251 is a deficient number, since it is larger than the sum of its proper divisors (1).

73925251 is an equidigital number, since it uses as much as digits as its factorization.

73925251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 34.

The square root of 73925251 is about 8597.9794719457. The cubic root of 73925251 is about 419.6922367426.

The spelling of 73925251 in words is "seventy-three million, nine hundred twenty-five thousand, two hundred fifty-one".