1252457 has 2 divisors, whose sum is σ = 1252458. Its totient is φ = 1252456.

The previous prime is 1252451. The next prime is 1252469. The reversal of 1252457 is 7542521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1125721 + 126736 = 1061^2 + 356^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252457 - 2⁸ = 1252201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1252451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626228 + 626229.

It is an arithmetic number, because the mean of its divisors is an integer number (626229).

2^1252457 is an apocalyptic number.

It is an amenable number.

1252457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252457 is an equidigital number, since it uses as much as digits as its factorization.

1252457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2800, while the sum is 26.

The square root of 1252457 is about 1119.1322531319. The cubic root of 1252457 is about 107.7922675889.

Adding to 1252457 its reverse (7542521), we get a palindrome (8794978).

Subtracting 1252457 from its reverse (7542521), we obtain a square (6290064 = 2508²).

The spelling of 1252457 in words is "one million, two hundred fifty-two thousand, four hundred fifty-seven".