1253225437 has 16 divisors (see below), whose sum is σ = 1326311424. Its totient is φ = 1182384000.

The previous prime is 1253225417. The next prime is 1253225453. The reversal of 1253225437 is 7345223521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253225437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253225417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407887 + ... + 410947.

It is an arithmetic number, because the mean of its divisors is an integer number (82894464).

Almost surely, 2^1253225437 is an apocalyptic number.

It is an amenable number.

1253225437 is a deficient number, since it is larger than the sum of its proper divisors (73085987).

1253225437 is a wasteful number, since it uses less digits than its factorization.

1253225437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420.

The product of its digits is 50400, while the sum is 34.

The square root of 1253225437 is about 35400.9242393472. The cubic root of 1253225437 is about 1078.1430816790.

Adding to 1253225437 its reverse (7345223521), we get a palindrome (8598448958).

The spelling of 1253225437 in words is "one billion, two hundred fifty-three million, two hundred twenty-five thousand, four hundred thirty-seven".