751142401 has 2 divisors, whose sum is σ = 751142402. Its totient is φ = 751142400.

The previous prime is 751142387. The next prime is 751142411. The reversal of 751142401 is 104241157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 710489025 + 40653376 = 26655^2 + 6376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-751142401 is a prime.

It is not a weakly prime, because it can be changed into another prime (751142411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375571200 + 375571201.

It is an arithmetic number, because the mean of its divisors is an integer number (375571201).

Almost surely, 2^751142401 is an apocalyptic number.

It is an amenable number.

751142401 is a deficient number, since it is larger than the sum of its proper divisors (1).

751142401 is an equidigital number, since it uses as much as digits as its factorization.

751142401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 751142401 is about 27406.9772320845. The cubic root of 751142401 is about 909.0213691447.

Adding to 751142401 its reverse (104241157), we get a palindrome (855383558).

The spelling of 751142401 in words is "seven hundred fifty-one million, one hundred forty-two thousand, four hundred one".