125473553 has 2 divisors, whose sum is σ = 125473554. Its totient is φ = 125473552.

The previous prime is 125473547. The next prime is 125473559. The reversal of 125473553 is 355374521.

It is a balanced prime because it is at equal distance from previous prime (125473547) and next prime (125473559).

It can be written as a sum of positive squares in only one way, i.e., 104387089 + 21086464 = 10217^2 + 4592^2 .

It is an emirp because it is prime and its reverse (355374521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125473553 - 2¹⁴ = 125457169 is a prime.

It is a super-2 number, since 2×125473553² = 31487225004887618, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125473559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62736776 + 62736777.

It is an arithmetic number, because the mean of its divisors is an integer number (62736777).

Almost surely, 2^125473553 is an apocalyptic number.

It is an amenable number.

125473553 is a deficient number, since it is larger than the sum of its proper divisors (1).

125473553 is an equidigital number, since it uses as much as digits as its factorization.

125473553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 35.

The square root of 125473553 is about 11201.4978016335. The cubic root of 125473553 is about 500.6306083319.

The spelling of 125473553 in words is "one hundred twenty-five million, four hundred seventy-three thousand, five hundred fifty-three".