42902453 has 4 divisors (see below), whose sum is σ = 46802688. Its totient is φ = 39002220.

The previous prime is 42902449. The next prime is 42902471. The reversal of 42902453 is 35420924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42902453 - 2² = 42902449 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 (42902413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950101 + ... + 1950122.

It is an arithmetic number, because the mean of its divisors is an integer number (11700672).

Almost surely, 2^42902453 is an apocalyptic number.

It is an amenable number.

42902453 is a deficient number, since it is larger than the sum of its proper divisors (3900235).

42902453 is a wasteful number, since it uses less digits than its factorization.

42902453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900234.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 42902453 is about 6549.9964122128. The cubic root of 42902453 is about 350.0746861025.

The spelling of 42902453 in words is "forty-two million, nine hundred two thousand, four hundred fifty-three".