3125537939 has 2 divisors, whose sum is σ = 3125537940. Its totient is φ = 3125537938.

The previous prime is 3125537911. The next prime is 3125537957. The reversal of 3125537939 is 9397355213.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3125537939 - 2¹⁶ = 3125472403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3125537893 and 3125537902.

It is not a weakly prime, because it can be changed into another prime (3125537999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562768969 + 1562768970.

It is an arithmetic number, because the mean of its divisors is an integer number (1562768970).

Almost surely, 2^3125537939 is an apocalyptic number.

3125537939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125537939 is an equidigital number, since it uses as much as digits as its factorization.

3125537939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 765450, while the sum is 47.

The square root of 3125537939 is about 55906.5107031373. The cubic root of 3125537939 is about 1462.0927545961.

The spelling of 3125537939 in words is "three billion, one hundred twenty-five million, five hundred thirty-seven thousand, nine hundred thirty-nine".