751272149 has 2 divisors, whose sum is σ = 751272150. Its totient is φ = 751272148.

The previous prime is 751272091. The next prime is 751272167. The reversal of 751272149 is 941272157.

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., 710222500 + 41049649 = 26650^2 + 6407^2 .

It is a cyclic number.

It is not a de Polignac number, because 751272149 - 2²⁴ = 734494933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (751272649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375636074 + 375636075.

It is an arithmetic number, because the mean of its divisors is an integer number (375636075).

Almost surely, 2^751272149 is an apocalyptic number.

It is an amenable number.

751272149 is a deficient number, since it is larger than the sum of its proper divisors (1).

751272149 is an equidigital number, since it uses as much as digits as its factorization.

751272149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 38.

The square root of 751272149 is about 27409.3441913520. The cubic root of 751272149 is about 909.0737058317.

The spelling of 751272149 in words is "seven hundred fifty-one million, two hundred seventy-two thousand, one hundred forty-nine".