537249402 has 64 divisors (see below), whose sum is σ = 1267539840. Its totient is φ = 168092928.

The previous prime is 537249397. The next prime is 537249407. The reversal of 537249402 is 204942735.

537249402 is a `hidden beast` number, since 5 + 3 + 7 + 249 + 402 = 666.

It is an interprime number because it is at equal distance from previous prime (537249397) and next prime (537249407).

It is not an unprimeable number, because it can be changed into a prime (537249407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538368 + ... + 539364.

It is an arithmetic number, because the mean of its divisors is an integer number (19805310).

Almost surely, 2^537249402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537249402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633769920).

537249402 is an abundant number, since it is smaller than the sum of its proper divisors (730290438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

537249402 is a wasteful number, since it uses less digits than its factorization.

537249402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 537249402 is about 23178.6410731950. The cubic root of 537249402 is about 812.9402878218.

The spelling of 537249402 in words is "five hundred thirty-seven million, two hundred forty-nine thousand, four hundred two".