1253374245 has 24 divisors (see below), whose sum is σ = 2185537536. Its totient is φ = 664459488.

The previous prime is 1253374189. The next prime is 1253374253. The reversal of 1253374245 is 5424733521.

1253374245 is a `hidden beast` number, since 12 + 533 + 74 + 2 + 45 = 666.

It is not a de Polignac number, because 1253374245 - 2¹⁹ = 1252849957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75877 + ... + 90906.

It is an arithmetic number, because the mean of its divisors is an integer number (91064064).

Almost surely, 2^1253374245 is an apocalyptic number.

1253374245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1253374245 is a deficient number, since it is larger than the sum of its proper divisors (932163291).

1253374245 is a wasteful number, since it uses less digits than its factorization.

1253374245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166961 (or 166958 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 1253374245 is about 35403.0259299964. The cubic root of 1253374245 is about 1078.1857528966.

The spelling of 1253374245 in words is "one billion, two hundred fifty-three million, three hundred seventy-four thousand, two hundred forty-five".