1253412535 has 16 divisors (see below), whose sum is σ = 1512849312. Its totient is φ = 996912000.

The previous prime is 1253412521. The next prime is 1253412541. The reversal of 1253412535 is 5352143521.

It is not a de Polignac number, because 1253412535 - 2¹⁵ = 1253379767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1253412497 and 1253412506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970240 + ... + 971530.

It is an arithmetic number, because the mean of its divisors is an integer number (94553082).

Almost surely, 2^1253412535 is an apocalyptic number.

1253412535 is a deficient number, since it is larger than the sum of its proper divisors (259436777).

1253412535 is a wasteful number, since it uses less digits than its factorization.

1253412535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274.

The product of its digits is 18000, while the sum is 31.

The square root of 1253412535 is about 35403.5666988511. The cubic root of 1253412535 is about 1078.1967321425.

The spelling of 1253412535 in words is "one billion, two hundred fifty-three million, four hundred twelve thousand, five hundred thirty-five".