125773213 has 2 divisors, whose sum is σ = 125773214. Its totient is φ = 125773212.

The previous prime is 125773189. The next prime is 125773229. The reversal of 125773213 is 312377521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81324324 + 44448889 = 9018^2 + 6667^2 .

It is a cyclic number.

It is not a de Polignac number, because 125773213 - 2¹³ = 125765021 is a prime.

It is a super-2 number, since 2×125773213² = 31637802216686738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125773243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62886606 + 62886607.

It is an arithmetic number, because the mean of its divisors is an integer number (62886607).

Almost surely, 2^125773213 is an apocalyptic number.

It is an amenable number.

125773213 is a deficient number, since it is larger than the sum of its proper divisors (1).

125773213 is an equidigital number, since it uses as much as digits as its factorization.

125773213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 31.

The square root of 125773213 is about 11214.8657147556. The cubic root of 125773213 is about 501.0288322232.

The spelling of 125773213 in words is "one hundred twenty-five million, seven hundred seventy-three thousand, two hundred thirteen".