625457233 has 2 divisors, whose sum is σ = 625457234. Its totient is φ = 625457232.

The previous prime is 625457221. The next prime is 625457267. The reversal of 625457233 is 332754526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 396328464 + 229128769 = 19908^2 + 15137^2 .

It is a cyclic number.

It is not a de Polignac number, because 625457233 - 2¹⁷ = 625326161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 625457192 and 625457201.

It is not a weakly prime, because it can be changed into another prime (625257233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312728616 + 312728617.

It is an arithmetic number, because the mean of its divisors is an integer number (312728617).

Almost surely, 2^625457233 is an apocalyptic number.

It is an amenable number.

625457233 is a deficient number, since it is larger than the sum of its proper divisors (1).

625457233 is an equidigital number, since it uses as much as digits as its factorization.

625457233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 37.

The square root of 625457233 is about 25009.1429881154. The cubic root of 625457233 is about 855.1964178310.

The spelling of 625457233 in words is "six hundred twenty-five million, four hundred fifty-seven thousand, two hundred thirty-three".