751925261 has 2 divisors, whose sum is σ = 751925262. Its totient is φ = 751925260.

The previous prime is 751925231. The next prime is 751925263. The reversal of 751925261 is 162529157.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 675012361 + 76912900 = 25981^2 + 8770^2 .

It is a cyclic number.

It is not a de Polignac number, because 751925261 - 2¹⁰ = 751924237 is a prime.

Together with 751925263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (751925263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375962630 + 375962631.

It is an arithmetic number, because the mean of its divisors is an integer number (375962631).

Almost surely, 2^751925261 is an apocalyptic number.

It is an amenable number.

751925261 is a deficient number, since it is larger than the sum of its proper divisors (1).

751925261 is an equidigital number, since it uses as much as digits as its factorization.

751925261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 38.

The square root of 751925261 is about 27421.2556422933. The cubic root of 751925261 is about 909.3370613412.

The spelling of 751925261 in words is "seven hundred fifty-one million, nine hundred twenty-five thousand, two hundred sixty-one".