1034251621 has 16 divisors (see below), whose sum is σ = 1163030400. Its totient is φ = 913123008.

The previous prime is 1034251619. The next prime is 1034251633. The reversal of 1034251621 is 1261524301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1034251621 - 2¹ = 1034251619 is a prime.

It is a super-2 number, since 2×1034251621² = 2139352831082255282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1034251021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27520 + ... + 53158.

It is an arithmetic number, because the mean of its divisors is an integer number (72689400).

Almost surely, 2^1034251621 is an apocalyptic number.

It is an amenable number.

1034251621 is a deficient number, since it is larger than the sum of its proper divisors (128778779).

1034251621 is a wasteful number, since it uses less digits than its factorization.

1034251621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25788.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1034251621 is about 32159.7826640666. The cubic root of 1034251621 is about 1011.2892795687.

Adding to 1034251621 its reverse (1261524301), we get a palindrome (2295775922).

The spelling of 1034251621 in words is "one billion, thirty-four million, two hundred fifty-one thousand, six hundred twenty-one".