1253372461 has 8 divisors (see below), whose sum is σ = 1393114464. Its totient is φ = 1117930320.

The previous prime is 1253372441. The next prime is 1253372503. The reversal of 1253372461 is 1642733521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1253372461 - 2⁷ = 1253372333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253372401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074351 + ... + 1075516.

It is an arithmetic number, because the mean of its divisors is an integer number (174139308).

Almost surely, 2^1253372461 is an apocalyptic number.

1253372461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1253372461 is a deficient number, since it is larger than the sum of its proper divisors (139742003).

1253372461 is a wasteful number, since it uses less digits than its factorization.

1253372461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149931.

The product of its digits is 30240, while the sum is 34.

The square root of 1253372461 is about 35403.0007344010. Note that the first 3 decimals coincide. The cubic root of 1253372461 is about 1078.1852413483.

The spelling of 1253372461 in words is "one billion, two hundred fifty-three million, three hundred seventy-two thousand, four hundred sixty-one".