75143257325 has 12 divisors (see below), whose sum is σ = 93184327860. Its totient is φ = 60110290560.

The previous prime is 75143257309. The next prime is 75143257393. The reversal of 75143257325 is 52375234157.

It can be written as a sum of positive squares in 6 ways, for example, as 13630329001 + 61512928324 = 116749^2 + 248018^2 .

It is not a de Polignac number, because 75143257325 - 2⁴ = 75143257309 is a prime.

It is a super-2 number, since 2×75143257325² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273827 + ... + 474623.

It is an arithmetic number, because the mean of its divisors is an integer number (7765360655).

Almost surely, 2^75143257325 is an apocalyptic number.

It is an amenable number.

75143257325 is a deficient number, since it is larger than the sum of its proper divisors (18041070535).

75143257325 is a wasteful number, since it uses less digits than its factorization.

75143257325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215776 (or 215771 counting only the distinct ones).

The product of its digits is 882000, while the sum is 44.

The spelling of 75143257325 in words is "seventy-five billion, one hundred forty-three million, two hundred fifty-seven thousand, three hundred twenty-five".